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68579152 = 244399679
BaseRepresentation
bin1000001011001…
…10111101010000
311210001011220121
410011212331100
5120024013102
610445520024
71461625135
oct405467520
9153034817
1068579152
1135790594
121ab73014
1311291ba5
14917258c
156049b37
hex4166f50

68579152 has 20 divisors (see below), whose sum is σ = 135963520. Its totient is φ = 33491808.

The previous prime is 68579149. The next prime is 68579209. The reversal of 68579152 is 25197586.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 68579099 and 68579108.

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, 49152 + ... + 50527.

It is an arithmetic number, because the mean of its divisors is an integer number (6798176).

Almost surely, 268579152 is an apocalyptic number.

It is an amenable number.

68579152 is a deficient number, since it is larger than the sum of its proper divisors (67384368).

68579152 is a wasteful number, since it uses less digits than its factorization.

68579152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99730 (or 99724 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 68579152 is about 8281.2530452825. The cubic root of 68579152 is about 409.3210098136.

The spelling of 68579152 in words is "sixty-eight million, five hundred seventy-nine thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 43 86 172 344 688 99679 199358 398716 797432 1594864 4286197 8572394 17144788 34289576 68579152