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89431752 = 2333726323
BaseRepresentation
bin1010101010010…
…01111011001000
320020021121022010
411111021323020
5140343304002
612512455520
72134104654
oct525117310
9206247263
1089431752
1146533443
1225b4a5a0
13156b33c7
14bc3da64
157cb846c
hex5549ec8

89431752 has 16 divisors (see below), whose sum is σ = 223579440. Its totient is φ = 29810576.

The previous prime is 89431729. The next prime is 89431757. The reversal of 89431752 is 25713498.

It is a self number, because there is not a number n which added to its sum of digits gives 89431752.

It is not an unprimeable number, because it can be changed into a prime (89431757) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1863138 + ... + 1863185.

It is an arithmetic number, because the mean of its divisors is an integer number (13973715).

Almost surely, 289431752 is an apocalyptic number.

It is an amenable number.

89431752 is an abundant number, since it is smaller than the sum of its proper divisors (134147688).

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

89431752 is a wasteful number, since it uses less digits than its factorization.

89431752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726332 (or 3726328 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 89431752 is about 9456.8362574383. The cubic root of 89431752 is about 447.1953162528.

The spelling of 89431752 in words is "eighty-nine million, four hundred thirty-one thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 3726323 7452646 11178969 14905292 22357938 29810584 44715876 89431752