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64290246 = 2343249187
BaseRepresentation
bin1111010100111…
…1110111000110
311110222021122020
43311033313012
5112424241441
610213544010
71410313056
oct365176706
9143867566
1064290246
1133321239
1219645006
131041c987
148777566
15599de66
hex3d4fdc6

64290246 has 16 divisors (see below), whose sum is σ = 131571264. Its totient is φ = 20931624.

The previous prime is 64290241. The next prime is 64290251. The reversal of 64290246 is 64209246.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64290241) and next prime (64290251).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64290241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124336 + ... + 124851.

It is an arithmetic number, because the mean of its divisors is an integer number (8223204).

Almost surely, 264290246 is an apocalyptic number.

64290246 is an abundant number, since it is smaller than the sum of its proper divisors (67281018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64290246 is a wasteful number, since it uses less digits than its factorization.

64290246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249235.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 64290246 is about 8018.1198544297. The cubic root of 64290246 is about 400.6037673705.

The spelling of 64290246 in words is "sixty-four million, two hundred ninety thousand, two hundred forty-six".

Divisors: 1 2 3 6 43 86 129 258 249187 498374 747561 1495122 10715041 21430082 32145123 64290246