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70648672 = 2515114621
BaseRepresentation
bin1000011011000…
…00001101100000
311220221022202111
410031200031200
5121041224142
611002125104
71515334543
oct415401540
9156838674
1070648672
1136974436
121b7b0794
1311837b63
14955085a
156307e17
hex4360360

70648672 has 24 divisors (see below), whose sum is σ = 140020272. Its totient is φ = 35088000.

The previous prime is 70648667. The next prime is 70648679. The reversal of 70648672 is 27684607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70648679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2479 + ... + 12142.

It is an arithmetic number, because the mean of its divisors is an integer number (5834178).

Almost surely, 270648672 is an apocalyptic number.

It is an amenable number.

70648672 is a deficient number, since it is larger than the sum of its proper divisors (69371600).

70648672 is a wasteful number, since it uses less digits than its factorization.

70648672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14782 (or 14774 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 70648672 is about 8405.2764380477. The cubic root of 70648672 is about 413.3976475249.

The spelling of 70648672 in words is "seventy million, six hundred forty-eight thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 32 151 302 604 1208 2416 4832 14621 29242 58484 116968 233936 467872 2207771 4415542 8831084 17662168 35324336 70648672