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26959140 = 223251341281
BaseRepresentation
bin110011011010…
…1110100100100
31212201122222200
41212311310210
523400143030
62401454500
7445102035
oct146656444
955648880
1026959140
111424388a
129041430
13577bb70
14381aa8c
152577d60
hex19b5d24

26959140 has 144 divisors (see below), whose sum is σ = 90535536. Its totient is φ = 6451200.

The previous prime is 26959129. The next prime is 26959159. The reversal of 26959140 is 4195962.

26959140 is a `hidden beast` number, since 2 + 69 + 591 + 4 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 5280804 + 21678336 = 2298^2 + 4656^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26959095 and 26959104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95800 + ... + 96080.

It is an arithmetic number, because the mean of its divisors is an integer number (628719).

Almost surely, 226959140 is an apocalyptic number.

26959140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26959140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45267768).

26959140 is an abundant number, since it is smaller than the sum of its proper divisors (63576396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26959140 is a wasteful number, since it uses less digits than its factorization.

26959140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 26959140 is about 5192.2191787327. The cubic root of 26959140 is about 299.8485902632.

The spelling of 26959140 in words is "twenty-six million, nine hundred fifty-nine thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 41 45 52 60 65 78 82 90 117 123 130 156 164 180 195 205 234 246 260 281 369 390 410 468 492 533 562 585 615 738 780 820 843 1066 1124 1170 1230 1405 1476 1599 1686 1845 2132 2340 2460 2529 2665 2810 3198 3372 3653 3690 4215 4797 5058 5330 5620 6396 7306 7380 7995 8430 9594 10116 10660 10959 11521 12645 14612 15990 16860 18265 19188 21918 23042 23985 25290 31980 32877 34563 36530 43836 46084 47970 50580 54795 57605 65754 69126 73060 95940 103689 109590 115210 131508 138252 149773 164385 172815 207378 219180 230420 299546 328770 345630 414756 449319 518445 599092 657540 691260 748865 898638 1036890 1347957 1497730 1797276 2073780 2246595 2695914 2995460 4493190 5391828 6739785 8986380 13479570 26959140