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26043157 = 72618713
BaseRepresentation
bin110001101011…
…0001100010101
31211000010111101
41203112030111
523131340112
62330110101
7434235400
oct143261425
954003441
1026043157
1113778678
12887b331
13551ac6a
14365cd37
152446757
hex18d6315

26043157 has 12 divisors (see below), whose sum is σ = 30795276. Its totient is φ = 21954240.

The previous prime is 26043151. The next prime is 26043169. The reversal of 26043157 is 75134062.

It can be written as a sum of positive squares in 2 ways, for example, as 13147876 + 12895281 = 3626^2 + 3591^2 .

It is not a de Polignac number, because 26043157 - 215 = 26010389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26043151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1368 + ... + 7345.

It is an arithmetic number, because the mean of its divisors is an integer number (2566273).

Almost surely, 226043157 is an apocalyptic number.

It is an amenable number.

26043157 is a deficient number, since it is larger than the sum of its proper divisors (4752119).

26043157 is an equidigital number, since it uses as much as digits as its factorization.

26043157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8788 (or 8781 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 26043157 is about 5103.2496509577. The cubic root of 26043157 is about 296.4134296201.

The spelling of 26043157 in words is "twenty-six million, forty-three thousand, one hundred fifty-seven".

Divisors: 1 7 49 61 427 2989 8713 60991 426937 531493 3720451 26043157