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70565672 = 2331284539
BaseRepresentation
bin1000011010010…
…11111100101000
311220210002220102
410031023330220
5121031100142
611000244532
71514540552
oct415137450
9156702812
1070565672
1136918041
121b770748
1311809148
14952c4d2
1562dd532
hex434bf28

70565672 has 16 divisors (see below), whose sum is σ = 136579200. Its totient is φ = 34144560.

The previous prime is 70565653. The next prime is 70565689. The reversal of 70565672 is 27656507.

It is a super-3 number, since 3×705656723 (a number of 25 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142022 + ... + 142517.

It is an arithmetic number, because the mean of its divisors is an integer number (8536200).

Almost surely, 270565672 is an apocalyptic number.

It is an amenable number.

70565672 is a deficient number, since it is larger than the sum of its proper divisors (66013528).

70565672 is a wasteful number, since it uses less digits than its factorization.

70565672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284576 (or 284572 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 70565672 is about 8400.3376122630. The cubic root of 70565672 is about 413.2356937828.

The spelling of 70565672 in words is "seventy million, five hundred sixty-five thousand, six hundred seventy-two".

Divisors: 1 2 4 8 31 62 124 248 284539 569078 1138156 2276312 8820709 17641418 35282836 70565672