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64842488 = 2317476783
BaseRepresentation
bin1111011101011…
…0101011111000
311112000100011122
43313112223320
5113044424423
610233444412
71415103104
oct367265370
9145010148
1064842488
1133669137
1219870708
1310584149
14887c904
155a5c8c8
hex3dd6af8

64842488 has 16 divisors (see below), whose sum is σ = 128731680. Its totient is φ = 30514048.

The previous prime is 64842473. The next prime is 64842493. The reversal of 64842488 is 88424846.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 238256 + ... + 238527.

It is an arithmetic number, because the mean of its divisors is an integer number (8045730).

Almost surely, 264842488 is an apocalyptic number.

64842488 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

64842488 is a deficient number, since it is larger than the sum of its proper divisors (63889192).

64842488 is a wasteful number, since it uses less digits than its factorization.

64842488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476806 (or 476802 counting only the distinct ones).

The product of its digits is 393216, while the sum is 44.

The square root of 64842488 is about 8052.4833436649. The cubic root of 64842488 is about 401.7475374968.

The spelling of 64842488 in words is "sixty-four million, eight hundred forty-two thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 17 34 68 136 476783 953566 1907132 3814264 8105311 16210622 32421244 64842488