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64662948 = 2234724073
BaseRepresentation
bin1111011010101…
…0110110100100
311111200012220000
43312222312210
5113023203243
610225541300
71413424500
oct366526644
9144605800
1064662948
1133556259
12197a4830
13105204cc
148833300
155a245d3
hex3daada4

64662948 has 90 divisors (see below), whose sum is σ = 196688646. Its totient is φ = 18470592.

The previous prime is 64662937. The next prime is 64662967. The reversal of 64662948 is 84926646.

It can be written as a sum of positive squares in only one way, i.e., 42928704 + 21734244 = 6552^2 + 4662^2 .

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 13840 + ... + 17912.

Almost surely, 264662948 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 64662948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98344323).

64662948 is an abundant number, since it is smaller than the sum of its proper divisors (132025698).

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

64662948 is a wasteful number, since it uses less digits than its factorization.

64662948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103 (or 4085 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 64662948 is about 8041.3275023469. The cubic root of 64662948 is about 401.3764000416.

The spelling of 64662948 in words is "sixty-four million, six hundred sixty-two thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 81 84 98 108 126 147 162 189 196 252 294 324 378 441 567 588 756 882 1134 1323 1764 2268 2646 3969 4073 5292 7938 8146 12219 15876 16292 24438 28511 36657 48876 57022 73314 85533 109971 114044 146628 171066 199577 219942 256599 329913 342132 399154 439884 513198 598731 659826 769797 798308 1026396 1197462 1319652 1539594 1796193 2309391 2394924 3079188 3592386 4618782 5388579 7184772 9237564 10777158 16165737 21554316 32331474 64662948