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70016832 = 263340519
BaseRepresentation
bin1000010110001…
…01111101000000
311212202020001000
410023011331000
5120411014312
610540412000
71510063464
oct413057500
9155666030
1070016832
1136582756
121b547000
13116763a2
1494284a4
156230adc
hex42c5f40

70016832 has 56 divisors (see below), whose sum is σ = 205841600. Its totient is φ = 23338368.

The previous prime is 70016803. The next prime is 70016851. The reversal of 70016832 is 23861007.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 70016796 and 70016805.

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, 18532 + ... + 21987.

Almost surely, 270016832 is an apocalyptic number.

70016832 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70016832 is an abundant number, since it is smaller than the sum of its proper divisors (135824768).

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

70016832 is a wasteful number, since it uses less digits than its factorization.

70016832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40540 (or 40524 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 70016832 is about 8367.6061092764. The cubic root of 70016832 is about 412.1615604165.

Adding to 70016832 its reverse (23861007), we get a palindrome (93877839).

The spelling of 70016832 in words is "seventy million, sixteen thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 40519 81038 121557 162076 243114 324152 364671 486228 648304 729342 972456 1094013 1296608 1458684 1944912 2188026 2593216 2917368 3889824 4376052 5834736 7779648 8752104 11669472 17504208 23338944 35008416 70016832