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64254923 = 29276403
BaseRepresentation
bin1111010100011…
…1001111001011
311110220111011222
43311013033023
5112422124143
610213112255
71410105065
oct365071713
9143814158
1064254923
11332a7747
121962868b
1310409885
148768735
155993768
hex3d473cb

64254923 has 6 divisors (see below), whose sum is σ = 66547884. Its totient is φ = 62038424.

The previous prime is 64254889. The next prime is 64254959. The reversal of 64254923 is 32945246.

It is not a de Polignac number, because 64254923 - 210 = 64253899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64254973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37361 + ... + 39042.

It is an arithmetic number, because the mean of its divisors is an integer number (11091314).

Almost surely, 264254923 is an apocalyptic number.

64254923 is a deficient number, since it is larger than the sum of its proper divisors (2292961).

64254923 is an equidigital number, since it uses as much as digits as its factorization.

64254923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76461 (or 76432 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 64254923 is about 8015.9168533612. The cubic root of 64254923 is about 400.5303859992.

The spelling of 64254923 in words is "sixty-four million, two hundred fifty-four thousand, nine hundred twenty-three".

Divisors: 1 29 841 76403 2215687 64254923