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70806268 = 22132104743
BaseRepresentation
bin1000011100001…
…10101011111100
311221020022221101
410032012223330
5121111300033
611005342444
71516562161
oct416065374
9157208841
1070806268
1136a71885
121b867a24
1311891800
149592068
15633997d
hex4386afc

70806268 has 18 divisors (see below), whose sum is σ = 134177064. Its totient is φ = 32679504.

The previous prime is 70806257. The next prime is 70806269. The reversal of 70806268 is 86260807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70806269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51696 + ... + 53047.

Almost surely, 270806268 is an apocalyptic number.

It is an amenable number.

70806268 is a deficient number, since it is larger than the sum of its proper divisors (63370796).

70806268 is a wasteful number, since it uses less digits than its factorization.

70806268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104773 (or 104758 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 70806268 is about 8414.6460412783. The cubic root of 70806268 is about 413.7048079689.

The spelling of 70806268 in words is "seventy million, eight hundred six thousand, two hundred sixty-eight".

Divisors: 1 2 4 13 26 52 169 338 676 104743 209486 418972 1361659 2723318 5446636 17701567 35403134 70806268