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26796820 = 22571113167
BaseRepresentation
bin110011000111…
…0001100010100
31212102102022211
41212032030110
523324444240
62354203204
7443524561
oct146161424
955372284
1026796820
1114142936
128b83504
13572300b
1437b7868
152544bea
hex198e314

26796820 has 48 divisors (see below), whose sum is σ = 57915648. Its totient is φ = 10411520.

The previous prime is 26796793. The next prime is 26796827. The reversal of 26796820 is 2869762.

It is a super-2 number, since 2×267968202 = 1436139124224800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26796827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160377 + ... + 160543.

It is an arithmetic number, because the mean of its divisors is an integer number (1206576).

Almost surely, 226796820 is an apocalyptic number.

26796820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26796820 is an abundant number, since it is smaller than the sum of its proper divisors (31118828).

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

26796820 is a wasteful number, since it uses less digits than its factorization.

26796820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 26796820 is about 5176.5644978113. The cubic root of 26796820 is about 299.2455859365.

The spelling of 26796820 in words is "twenty-six million, seven hundred ninety-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 71 113 142 167 226 284 334 355 452 565 668 710 835 1130 1420 1670 2260 3340 8023 11857 16046 18871 23714 32092 37742 40115 47428 59285 75484 80230 94355 118570 160460 188710 237140 377420 1339841 2679682 5359364 6699205 13398410 26796820