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64145026 = 21119153457
BaseRepresentation
bin1111010010110…
…0011010000010
311110200220102201
43310230122002
5112410120101
610210503414
71406136511
oct364543202
9143626381
1064145026
1133232120
1219594b6a
131039b84a
14873a678
155970e01
hex3d2c682

64145026 has 16 divisors (see below), whose sum is σ = 110489760. Its totient is φ = 27622080.

The previous prime is 64145023. The next prime is 64145041. The reversal of 64145026 is 62054146.

It is a super-2 number, since 2×641450262 = 8229168721081352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64144985 and 64145003.

It is not an unprimeable number, because it can be changed into a prime (64145023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76311 + ... + 77146.

It is an arithmetic number, because the mean of its divisors is an integer number (6905610).

Almost surely, 264145026 is an apocalyptic number.

64145026 is a deficient number, since it is larger than the sum of its proper divisors (46344734).

64145026 is a wasteful number, since it uses less digits than its factorization.

64145026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153489.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 64145026 is about 8009.0589959121. The cubic root of 64145026 is about 400.3019095692.

The spelling of 64145026 in words is "sixty-four million, one hundred forty-five thousand, twenty-six".

Divisors: 1 2 11 19 22 38 209 418 153457 306914 1688027 2915683 3376054 5831366 32072513 64145026