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64099028 = 2272289251
BaseRepresentation
bin1111010010000…
…1001011010100
311110121120100002
43310201023110
5112402132103
610205510432
71405555430
oct364411324
9143546302
1064099028
1133200604
1219572418
1310383926
1487279c0
155962488
hex3d212d4

64099028 has 12 divisors (see below), whose sum is σ = 128198112. Its totient is φ = 27471000.

The previous prime is 64098899. The next prime is 64099043. The reversal of 64099028 is 82099046.

64099028 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 64098982 and 64099000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144598 + ... + 1144653.

It is an arithmetic number, because the mean of its divisors is an integer number (10683176).

Almost surely, 264099028 is an apocalyptic number.

It is an amenable number.

64099028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64099028 is a wasteful number, since it uses less digits than its factorization.

64099028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289262 (or 2289260 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 64099028 is about 8006.1868576745. The cubic root of 64099028 is about 400.2062020169.

The spelling of 64099028 in words is "sixty-four million, ninety-nine thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 2289251 4578502 9157004 16024757 32049514 64099028