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70064768 = 273071783
BaseRepresentation
bin1000010110100…
…01101010000000
311212211122210102
410023101222000
5120414033033
610541421532
71510353314
oct413215200
9155748712
1070064768
1136605774
121b56a8a8
1311692157
14943bb44
15623ede8
hex42d1a80

70064768 has 32 divisors (see below), whose sum is σ = 140115360. Its totient is φ = 34898688.

The previous prime is 70064747. The next prime is 70064779. The reversal of 70064768 is 86746007.

It is a tau number, because it is divible by the number of its divisors (32).

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, 38405 + ... + 40187.

It is an arithmetic number, because the mean of its divisors is an integer number (4378605).

Almost surely, 270064768 is an apocalyptic number.

It is an amenable number.

70064768 is a deficient number, since it is larger than the sum of its proper divisors (70050592).

70064768 is a wasteful number, since it uses less digits than its factorization.

70064768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 70064768 is about 8370.4699987516. The cubic root of 70064768 is about 412.2555990871.

The spelling of 70064768 in words is "seventy million, sixty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 128 307 614 1228 1783 2456 3566 4912 7132 9824 14264 19648 28528 39296 57056 114112 228224 547381 1094762 2189524 4379048 8758096 17516192 35032384 70064768