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26940151 = 721633373
BaseRepresentation
bin110011011000…
…1001011110111
31212200200221101
41212301023313
523344041101
62401230531
7444662500
oct146611367
955620841
1026940151
1114230597
129032447
135773324
143813ba7
152572401
hex19b12f7

26940151 has 12 divisors (see below), whose sum is σ = 31540152. Its totient is φ = 22943088.

The previous prime is 26940149. The next prime is 26940163. The reversal of 26940151 is 15104962.

It is not a de Polignac number, because 26940151 - 21 = 26940149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26940451) 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, 6301 + ... + 9673.

It is an arithmetic number, because the mean of its divisors is an integer number (2628346).

Almost surely, 226940151 is an apocalyptic number.

26940151 is a deficient number, since it is larger than the sum of its proper divisors (4600001).

26940151 is a wasteful number, since it uses less digits than its factorization.

26940151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550 (or 3543 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 26940151 is about 5190.3902550772. The cubic root of 26940151 is about 299.7781730535.

The spelling of 26940151 in words is "twenty-six million, nine hundred forty thousand, one hundred fifty-one".

Divisors: 1 7 49 163 1141 3373 7987 23611 165277 549799 3848593 26940151