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26470340 = 22513611669
BaseRepresentation
bin110010011111…
…0011111000100
31211210211110222
41210332133010
523234022330
62343203512
7440665001
oct144763704
954724428
1026470340
1113a3a616
128a46598
13563a530
1437308a8
1524cd0e5
hex193e7c4

26470340 has 48 divisors (see below), whose sum is σ = 60881520. Its totient is φ = 9607680.

The previous prime is 26470337. The next prime is 26470351. The reversal of 26470340 is 4307462.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7268416 + 19201924 = 2696^2 + 4382^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15026 + ... + 16694.

It is an arithmetic number, because the mean of its divisors is an integer number (1268365).

Almost surely, 226470340 is an apocalyptic number.

26470340 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 26470340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30440760).

26470340 is an abundant number, since it is smaller than the sum of its proper divisors (34411180).

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

26470340 is a wasteful number, since it uses less digits than its factorization.

26470340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752 (or 1750 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 26470340 is about 5144.9334300844. The cubic root of 26470340 is about 298.0253270368.

The spelling of 26470340 in words is "twenty-six million, four hundred seventy thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 61 65 122 130 244 260 305 610 793 1220 1586 1669 3172 3338 3965 6676 7930 8345 15860 16690 21697 33380 43394 86788 101809 108485 203618 216970 407236 433940 509045 1018090 1323517 2036180 2647034 5294068 6617585 13235170 26470340