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70997044 = 22231674621
BaseRepresentation
bin1000011101101…
…01010000110100
311221121000122011
410032311100310
5121133401134
611013414004
71521315316
oct416652064
9157530564
1070997044
1137092148
121b93a304
131192a5b1
1496017b6
156376264
hex43b5434

70997044 has 24 divisors (see below), whose sum is σ = 130451328. Its totient is φ = 33744480.

The previous prime is 70997033. The next prime is 70997111. The reversal of 70997044 is 44079907.

It is a junction number, because it is equal to n+sod(n) for n = 70996988 and 70997006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13054 + ... + 17674.

It is an arithmetic number, because the mean of its divisors is an integer number (5435472).

Almost surely, 270997044 is an apocalyptic number.

It is an amenable number.

70997044 is a deficient number, since it is larger than the sum of its proper divisors (59454284).

70997044 is a wasteful number, since it uses less digits than its factorization.

70997044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4815 (or 4813 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 70997044 is about 8425.9743650215. The cubic root of 70997044 is about 414.0760282629.

The spelling of 70997044 in words is "seventy million, nine hundred ninety-seven thousand, forty-four".

Divisors: 1 2 4 23 46 92 167 334 668 3841 4621 7682 9242 15364 18484 106283 212566 425132 771707 1543414 3086828 17749261 35498522 70997044