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89952447 = 3132177421
BaseRepresentation
bin1010101110010…
…01000010111111
320021021001120010
411113021002333
5141011434242
612531554303
72141404014
oct527110277
9207231503
1089952447
1146859672
122615b993
1315836400
14bd3770b
157d6c89c
hex55c90bf

89952447 has 12 divisors (see below), whose sum is σ = 129872904. Its totient is φ = 55355040.

The previous prime is 89952433. The next prime is 89952451. The reversal of 89952447 is 74425998.

It is not a de Polignac number, because 89952447 - 26 = 89952383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89952396 and 89952405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89952427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88204 + ... + 89217.

It is an arithmetic number, because the mean of its divisors is an integer number (10822742).

Almost surely, 289952447 is an apocalyptic number.

89952447 is a deficient number, since it is larger than the sum of its proper divisors (39920457).

89952447 is a wasteful number, since it uses less digits than its factorization.

89952447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177450 (or 177437 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 89952447 is about 9484.3263862016. The cubic root of 89952447 is about 448.0615332545.

The spelling of 89952447 in words is "eighty-nine million, nine hundred fifty-two thousand, four hundred forty-seven".

Divisors: 1 3 13 39 169 507 177421 532263 2306473 6919419 29984149 89952447