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89530919 = 169352883
BaseRepresentation
bin1010101011000…
…10001000100111
320020110122022222
411111202020213
5140404442134
612514542555
72135000042
oct525421047
9206418288
1089530919
11465a09a5
1225b97a5b
131571959a
14bc67c59
157cd7a2e
hex5562227

89530919 has 4 divisors (see below), whose sum is σ = 89585496. Its totient is φ = 89476344.

The previous prime is 89530913. The next prime is 89530933. The reversal of 89530919 is 91903598.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89530919 is a prime.

It is a super-2 number, since 2×895309192 = 16031570913969122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89530919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89530913) 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, 24749 + ... + 28134.

It is an arithmetic number, because the mean of its divisors is an integer number (22396374).

Almost surely, 289530919 is an apocalyptic number.

89530919 is a deficient number, since it is larger than the sum of its proper divisors (54577).

89530919 is a wasteful number, since it uses less digits than its factorization.

89530919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54576.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 89530919 is about 9462.0779430313. The cubic root of 89530919 is about 447.3605470407.

The spelling of 89530919 in words is "eighty-nine million, five hundred thirty thousand, nine hundred nineteen".

Divisors: 1 1693 52883 89530919