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70046560 = 255894919
BaseRepresentation
bin1000010110011…
…01001101100000
311212210201211001
410023031031200
5120412442220
610541201344
71510246243
oct413151540
9155721731
1070046560
11365a3021
121b560254
1311686a8c
14943525a
15623980a
hex42cd360

70046560 has 48 divisors (see below), whose sum is σ = 167378400. Its totient is φ = 27698176.

The previous prime is 70046533. The next prime is 70046609. The reversal of 70046560 is 6564007.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 11781 + ... + 16699.

It is an arithmetic number, because the mean of its divisors is an integer number (3487050).

Almost surely, 270046560 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 70046560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83689200).

70046560 is an abundant number, since it is smaller than the sum of its proper divisors (97331840).

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

70046560 is a wasteful number, since it uses less digits than its factorization.

70046560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023 (or 5015 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 70046560 is about 8369.3822950084. The cubic root of 70046560 is about 412.2198845119.

The spelling of 70046560 in words is "seventy million, forty-six thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 89 160 178 356 445 712 890 1424 1780 2848 3560 4919 7120 9838 14240 19676 24595 39352 49190 78704 98380 157408 196760 393520 437791 787040 875582 1751164 2188955 3502328 4377910 7004656 8755820 14009312 17511640 35023280 70046560