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68357032 = 238544629
BaseRepresentation
bin1000001001100…
…00101110101000
311202121220012221
410010300232220
5114444411112
610441043424
71460011432
oct404605650
9152556187
1068357032
1135649717
121aa86574
1311214a63
149115652
156003e07
hex4130ba8

68357032 has 8 divisors (see below), whose sum is σ = 128169450. Its totient is φ = 34178512.

The previous prime is 68357021. The next prime is 68357033. The reversal of 68357032 is 23075386.

It can be written as a sum of positive squares in only one way, i.e., 68326756 + 30276 = 8266^2 + 174^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (68357033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4272307 + ... + 4272322.

Almost surely, 268357032 is an apocalyptic number.

It is an amenable number.

68357032 is a deficient number, since it is larger than the sum of its proper divisors (59812418).

68357032 is a wasteful number, since it uses less digits than its factorization.

68357032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8544635 (or 8544631 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 68357032 is about 8267.8311545411. The cubic root of 68357032 is about 408.8786172637.

The spelling of 68357032 in words is "sixty-eight million, three hundred fifty-seven thousand, thirty-two".

Divisors: 1 2 4 8 8544629 17089258 34178516 68357032