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89994788 = 22137092441
BaseRepresentation
bin1010101110100…
…11011000100100
320021100012122022
411113103120210
5141014313123
612532522312
72141641322
oct527233044
9207305568
1089994788
1146888464
1226180398
131584c770
14bd48d12
157d7a1c8
hex55d3624

89994788 has 24 divisors (see below), whose sum is σ = 169914360. Its totient is φ = 41460480.

The previous prime is 89994721. The next prime is 89994799. The reversal of 89994788 is 88749998.

It can be written as a sum of positive squares in 4 ways, for example, as 5207524 + 84787264 = 2282^2 + 9208^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 89994788.

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, 35648 + ... + 38088.

It is an arithmetic number, because the mean of its divisors is an integer number (7079765).

Almost surely, 289994788 is an apocalyptic number.

It is an amenable number.

89994788 is a deficient number, since it is larger than the sum of its proper divisors (79919572).

89994788 is a wasteful number, since it uses less digits than its factorization.

89994788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167 (or 3165 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 62.

The square root of 89994788 is about 9486.5582800086. The cubic root of 89994788 is about 448.1318237178.

The spelling of 89994788 in words is "eighty-nine million, nine hundred ninety-four thousand, seven hundred eighty-eight".

Divisors: 1 2 4 13 26 52 709 1418 2441 2836 4882 9217 9764 18434 31733 36868 63466 126932 1730669 3461338 6922676 22498697 44997394 89994788