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152621664 = 25313294217
BaseRepresentation
bin10010001100011…
…01001001100000
3101122011222120020
421012031021200
5303032343124
623051113440
73532156056
oct1106151140
9348158506
10152621664
1179172a08
1243142880
13258092a0
14163ac1d6
15d5eb379
hex918d260

152621664 has 96 divisors (see below), whose sum is σ = 446433120. Its totient is φ = 45330432.

The previous prime is 152621659. The next prime is 152621669. The reversal of 152621664 is 466126251.

It is an interprime number because it is at equal distance from previous prime (152621659) and next prime (152621669).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152621669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34084 + ... + 38300.

It is an arithmetic number, because the mean of its divisors is an integer number (4650345).

Almost surely, 2152621664 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 152621664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223216560).

152621664 is an abundant number, since it is smaller than the sum of its proper divisors (293811456).

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

152621664 is a wasteful number, since it uses less digits than its factorization.

152621664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272 (or 4264 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 152621664 is about 12354.0140844990. The cubic root of 152621664 is about 534.4069055605.

The spelling of 152621664 in words is "one hundred fifty-two million, six hundred twenty-one thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 29 32 39 48 52 58 78 87 96 104 116 156 174 208 232 312 348 377 416 464 624 696 754 928 1131 1248 1392 1508 2262 2784 3016 4217 4524 6032 8434 9048 12064 12651 16868 18096 25302 33736 36192 50604 54821 67472 101208 109642 122293 134944 164463 202416 219284 244586 328926 366879 404832 438568 489172 657852 733758 877136 978344 1315704 1467516 1589809 1754272 1956688 2631408 2935032 3179618 3913376 4769427 5262816 5870064 6359236 9538854 11740128 12718472 19077708 25436944 38155416 50873888 76310832 152621664