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70037040 = 24351915359
BaseRepresentation
bin1000010110010…
…10111000110000
311212210020202110
410023022320300
5120412141130
610541045320
71510206423
oct413127060
9155706673
1070037040
1136596957
121b556840
1311682648
1494319ba
156236ab0
hex42cae30

70037040 has 80 divisors (see below), whose sum is σ = 228556800. Its totient is φ = 17692416.

The previous prime is 70037039. The next prime is 70037053. The reversal of 70037040 is 4073007.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 70036998 and 70037016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3120 + ... + 12239.

It is an arithmetic number, because the mean of its divisors is an integer number (2856960).

Almost surely, 270037040 is an apocalyptic number.

It is an amenable number.

70037040 is an abundant number, since it is smaller than the sum of its proper divisors (158519760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70037040 is a wasteful number, since it uses less digits than its factorization.

70037040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15394 (or 15388 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 70037040 is about 8368.8135359799. The cubic root of 70037040 is about 412.2012087858.

The spelling of 70037040 in words is "seventy million, thirty-seven thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 76 80 95 114 120 152 190 228 240 285 304 380 456 570 760 912 1140 1520 2280 4560 15359 30718 46077 61436 76795 92154 122872 153590 184308 230385 245744 291821 307180 368616 460770 583642 614360 737232 875463 921540 1167284 1228720 1459105 1750926 1843080 2334568 2918210 3501852 3686160 4377315 4669136 5836420 7003704 8754630 11672840 14007408 17509260 23345680 35018520 70037040