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64148088 = 23343611019
BaseRepresentation
bin1111010010110…
…1001001111000
311110201001122010
43310231021320
5112410214323
610210525520
71406151444
oct364551170
9143631563
1064148088
1133234454
12195968a0
13103a0064
14873b824
155971c93
hex3d2d278

64148088 has 64 divisors (see below), whose sum is σ = 166953600. Its totient is φ = 20522880.

The previous prime is 64148069. The next prime is 64148101. The reversal of 64148088 is 88084146.

It is a super-2 number, since 2×641480882 = 8229954388111488, which contains 22 as substring.

It is a congruent number.

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, 62443 + ... + 63461.

It is an arithmetic number, because the mean of its divisors is an integer number (2608650).

Almost surely, 264148088 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 64148088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83476800).

64148088 is an abundant number, since it is smaller than the sum of its proper divisors (102805512).

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

64148088 is a wasteful number, since it uses less digits than its factorization.

64148088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1128 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 64148088 is about 8009.2501521678. The cubic root of 64148088 is about 400.3082790158.

The spelling of 64148088 in words is "sixty-four million, one hundred forty-eight thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 43 61 86 122 129 172 183 244 258 344 366 488 516 732 1019 1032 1464 2038 2623 3057 4076 5246 6114 7869 8152 10492 12228 15738 20984 24456 31476 43817 62159 62952 87634 124318 131451 175268 186477 248636 262902 350536 372954 497272 525804 745908 1051608 1491816 2672837 5345674 8018511 10691348 16037022 21382696 32074044 64148088