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64254136 = 238031767
BaseRepresentation
bin1111010100011…
…1000010111000
311110220110002211
43311013002320
5112422113021
610213104504
71410102562
oct365070270
9143813084
1064254136
11332a70a1
1219628134
13104093cb
148768332
1559933e1
hex3d470b8

64254136 has 8 divisors (see below), whose sum is σ = 120476520. Its totient is φ = 32127064.

The previous prime is 64254133. The next prime is 64254137. The reversal of 64254136 is 63145246.

64254136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 64254098 and 64254107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64254133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4015876 + ... + 4015891.

It is an arithmetic number, because the mean of its divisors is an integer number (15059565).

Almost surely, 264254136 is an apocalyptic number.

It is an amenable number.

64254136 is a deficient number, since it is larger than the sum of its proper divisors (56222384).

64254136 is a wasteful number, since it uses less digits than its factorization.

64254136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8031773 (or 8031769 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 64254136 is about 8015.8677633803. The cubic root of 64254136 is about 400.5287507486.

The spelling of 64254136 in words is "sixty-four million, two hundred fifty-four thousand, one hundred thirty-six".

Divisors: 1 2 4 8 8031767 16063534 32127068 64254136