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87074834 = 27111929759
BaseRepresentation
bin1010011000010…
…10100000010010
320001211212012212
411030022200102
5134242343314
612350152122
72105060330
oct514124022
9201755185
1087074834
1145173680
12251b2642
1315069692
14b7c8b50
15799ee3e
hex530a812

87074834 has 32 divisors (see below), whose sum is σ = 171417600. Its totient is φ = 32138640.

The previous prime is 87074831. The next prime is 87074837. The reversal of 87074834 is 43847078.

It is an interprime number because it is at equal distance from previous prime (87074831) and next prime (87074837).

It is a super-2 number, since 2×870748342 = 15164053432255112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87074791 and 87074800.

It is not an unprimeable number, because it can be changed into a prime (87074831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11954 + ... + 17805.

It is an arithmetic number, because the mean of its divisors is an integer number (5356800).

Almost surely, 287074834 is an apocalyptic number.

87074834 is a deficient number, since it is larger than the sum of its proper divisors (84342766).

87074834 is a wasteful number, since it uses less digits than its factorization.

87074834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29798.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 87074834 is about 9331.3897142923. The cubic root of 87074834 is about 443.2317728930.

The spelling of 87074834 in words is "eighty-seven million, seventy-four thousand, eight hundred thirty-four".

Divisors: 1 2 7 11 14 19 22 38 77 133 154 209 266 418 1463 2926 29759 59518 208313 327349 416626 565421 654698 1130842 2291443 3957947 4582886 6219631 7915894 12439262 43537417 87074834