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64126328 = 2373730949
BaseRepresentation
bin1111010010011…
…1110101111000
311110122221210012
43310213311320
5112404020303
610210241052
71406031140
oct364476570
9143587705
1064126328
113321a072
1219586188
1310393196
148733920
15596a5d8
hex3d27d78

64126328 has 32 divisors (see below), whose sum is σ = 141132000. Its totient is φ = 26739072.

The previous prime is 64126313. The next prime is 64126351. The reversal of 64126328 is 82362146.

It is a super-2 number, since 2×641263282 = 8224371885527168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64126294 and 64126303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13403 + ... + 17546.

It is an arithmetic number, because the mean of its divisors is an integer number (4410375).

Almost surely, 264126328 is an apocalyptic number.

It is an amenable number.

64126328 is an abundant number, since it is smaller than the sum of its proper divisors (77005672).

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

64126328 is a wasteful number, since it uses less digits than its factorization.

64126328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30999 (or 30995 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 64126328 is about 8007.8916076580. The cubic root of 64126328 is about 400.2630103593.

The spelling of 64126328 in words is "sixty-four million, one hundred twenty-six thousand, three hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 37 56 74 148 259 296 518 1036 2072 30949 61898 123796 216643 247592 433286 866572 1145113 1733144 2290226 4580452 8015791 9160904 16031582 32063164 64126328