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64488424 = 23711138053
BaseRepresentation
bin1111011000000…
…0001111101000
311111100100111011
43312000033220
5113002112144
610222113304
71412066620
oct366001750
9144310434
1064488424
1133447120
121971b834
131048bc40
1487c9880
1559dca34
hex3d803e8

64488424 has 64 divisors (see below), whose sum is σ = 162368640. Its totient is φ = 23189760.

The previous prime is 64488409. The next prime is 64488469. The reversal of 64488424 is 42488446.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3982 + ... + 12034.

It is an arithmetic number, because the mean of its divisors is an integer number (2537010).

Almost surely, 264488424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64488424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81184320).

64488424 is an abundant number, since it is smaller than the sum of its proper divisors (97880216).

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

64488424 is a wasteful number, since it uses less digits than its factorization.

64488424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8090 (or 8086 counting only the distinct ones).

The product of its digits is 196608, while the sum is 40.

The square root of 64488424 is about 8030.4684794849. The cubic root of 64488424 is about 401.0149723993.

The spelling of 64488424 in words is "sixty-four million, four hundred eighty-eight thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 11 13 14 22 26 28 44 52 56 77 88 91 104 143 154 182 286 308 364 572 616 728 1001 1144 2002 4004 8008 8053 16106 32212 56371 64424 88583 104689 112742 177166 209378 225484 354332 418756 450968 620081 708664 732823 837512 1151579 1240162 1465646 2303158 2480324 2931292 4606316 4960648 5862584 8061053 9212632 16122106 32244212 64488424