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70960240 = 2451331271
BaseRepresentation
bin1000011101011…
…00010001110000
311221112011011001
410032230101300
5121131211430
611012531344
71521103111
oct416542160
9157464131
1070960240
113706752a
121b920b54
1311916910
1495d2208
15636a3ca
hex43ac470

70960240 has 120 divisors (see below), whose sum is σ = 186175584. Its totient is φ = 24998400.

The previous prime is 70960223. The next prime is 70960243. The reversal of 70960240 is 4206907.

It is a junction number, because it is equal to n+sod(n) for n = 70960199 and 70960208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70960243) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 999405 + ... + 999475.

Almost surely, 270960240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70960240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93087792).

70960240 is an abundant number, since it is smaller than the sum of its proper divisors (115215344).

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

70960240 is a wasteful number, since it uses less digits than its factorization.

70960240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 70960240 is about 8423.7901208423. The cubic root of 70960240 is about 414.0044652447.

The spelling of 70960240 in words is "seventy million, nine hundred sixty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 31 40 52 62 65 71 80 104 124 130 142 155 208 248 260 284 310 355 403 496 520 568 620 710 806 923 961 1040 1136 1240 1420 1612 1846 1922 2015 2201 2480 2840 3224 3692 3844 4030 4402 4615 4805 5680 6448 7384 7688 8060 8804 9230 9610 11005 12493 14768 15376 16120 17608 18460 19220 22010 24986 28613 32240 35216 36920 38440 44020 49972 57226 62465 68231 73840 76880 88040 99944 114452 124930 136462 143065 176080 199888 228904 249860 272924 286130 341155 457808 499720 545848 572260 682310 887003 999440 1091696 1144520 1364620 1774006 2289040 2729240 3548012 4435015 5458480 7096024 8870030 14192048 17740060 35480120 70960240