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87873712 = 2429229827
BaseRepresentation
bin1010011110011…
…01100010110000
320010100110001221
411033031202300
5134443424322
612415234424
72114625403
oct517154260
9203313057
1087873712
1145669903
1225518a14
13152891a4
14b955d3a
157aab9c7
hex53cd8b0

87873712 has 40 divisors (see below), whose sum is σ = 177109200. Its totient is φ = 42185472.

The previous prime is 87873707. The next prime is 87873739. The reversal of 87873712 is 21737878.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105843 + ... + 106669.

It is an arithmetic number, because the mean of its divisors is an integer number (4427730).

Almost surely, 287873712 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 87873712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88554600).

87873712 is an abundant number, since it is smaller than the sum of its proper divisors (89235488).

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

87873712 is a wasteful number, since it uses less digits than its factorization.

87873712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093 (or 1087 counting only the distinct ones).

The product of its digits is 131712, while the sum is 43.

The square root of 87873712 is about 9374.0979299344. The cubic root of 87873712 is about 444.5831420085.

The spelling of 87873712 in words is "eighty-seven million, eight hundred seventy-three thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 29 58 116 229 232 458 464 827 916 1654 1832 3308 3664 6616 6641 13232 13282 23983 26564 47966 53128 95932 106256 189383 191864 378766 383728 757532 1515064 3030128 5492107 10984214 21968428 43936856 87873712