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89629489 = 124971761
BaseRepresentation
bin1010101011110…
…10001100110001
320020122122112201
411111322030301
5140421120424
612521023201
72135560315
oct525721461
9206578481
1089629489
1146658a64
1226024b01
1315752401
14bc91b45
157d06d44
hex557a331

89629489 has 4 divisors (see below), whose sum is σ = 89702500. Its totient is φ = 89556480.

The previous prime is 89629483. The next prime is 89629493. The reversal of 89629489 is 98492698.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34751025 + 54878464 = 5895^2 + 7408^2 .

It is a cyclic number.

It is not a de Polignac number, because 89629489 - 23 = 89629481 is a prime.

It is a super-2 number, since 2×896294892 = 16066890596802242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89629481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34632 + ... + 37129.

It is an arithmetic number, because the mean of its divisors is an integer number (22425625).

Almost surely, 289629489 is an apocalyptic number.

It is an amenable number.

89629489 is a deficient number, since it is larger than the sum of its proper divisors (73011).

89629489 is a wasteful number, since it uses less digits than its factorization.

89629489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73010.

The product of its digits is 2239488, while the sum is 55.

The square root of 89629489 is about 9467.2851969295. The cubic root of 89629489 is about 447.5246622489.

The spelling of 89629489 in words is "eighty-nine million, six hundred twenty-nine thousand, four hundred eighty-nine".

Divisors: 1 1249 71761 89629489