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64275150 = 23521313271
BaseRepresentation
bin1111010100110…
…0001011001110
311110221111221010
43311030023032
5112423301100
610213350050
71410221052
oct365141316
9143844833
1064275150
1133310965
1219638326
1310415b44
148771c62
155999750
hex3d4c2ce

64275150 has 48 divisors (see below), whose sum is σ = 160668288. Its totient is φ = 17004000.

The previous prime is 64275149. The next prime is 64275161. The reversal of 64275150 is 5157246.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18015 + ... + 21285.

It is an arithmetic number, because the mean of its divisors is an integer number (3347256).

Almost surely, 264275150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64275150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80334144).

64275150 is an abundant number, since it is smaller than the sum of its proper divisors (96393138).

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

64275150 is a wasteful number, since it uses less digits than its factorization.

64275150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417 (or 3412 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 64275150 is about 8017.1784313435. The cubic root of 64275150 is about 400.5724096439.

The spelling of 64275150 in words is "sixty-four million, two hundred seventy-five thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 131 150 262 393 655 786 1310 1965 3271 3275 3930 6542 6550 9813 9825 16355 19626 19650 32710 49065 81775 98130 163550 245325 428501 490650 857002 1285503 2142505 2571006 4285010 6427515 10712525 12855030 21425050 32137575 64275150