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89072902 = 244536451
BaseRepresentation
bin1010100111100…
…10010100000110
320012121101001101
411103302110012
5140300313102
612501050314
72131051522
oct523622406
9205541041
1089072902
1146308876
12259b699a
13155b8c79
14bb88d82
157c46e87
hex54f2506

89072902 has 4 divisors (see below), whose sum is σ = 133609356. Its totient is φ = 44536450.

The previous prime is 89072897. The next prime is 89072923. The reversal of 89072902 is 20927098.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22268224 + ... + 22268227.

It is an arithmetic number, because the mean of its divisors is an integer number (33402339).

Almost surely, 289072902 is an apocalyptic number.

89072902 is a deficient number, since it is larger than the sum of its proper divisors (44536454).

89072902 is a wasteful number, since it uses less digits than its factorization.

89072902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44536453.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 89072902 is about 9437.8441394208. The cubic root of 89072902 is about 446.5963822234.

The spelling of 89072902 in words is "eighty-nine million, seventy-two thousand, nine hundred two".

Divisors: 1 2 44536451 89072902