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89974903 = 671342909
BaseRepresentation
bin1010101110011…
…10100001110111
320021022012100211
411113032201313
5141013144103
612532250251
72141526334
oct527164167
9207265324
1089974903
1146874527
1226170987
13158436b5
14bd4198b
157d7436d
hex55ce877

89974903 has 4 divisors (see below), whose sum is σ = 91317880. Its totient is φ = 88631928.

The previous prime is 89974891. The next prime is 89974933. The reversal of 89974903 is 30947998.

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

It is a cyclic number.

It is not a de Polignac number, because 89974903 - 213 = 89966711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89974933) 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, 671388 + ... + 671521.

It is an arithmetic number, because the mean of its divisors is an integer number (22829470).

Almost surely, 289974903 is an apocalyptic number.

89974903 is a deficient number, since it is larger than the sum of its proper divisors (1342977).

89974903 is a wasteful number, since it uses less digits than its factorization.

89974903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342976.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 89974903 is about 9485.5101602391. The cubic root of 89974903 is about 448.0988152962.

The spelling of 89974903 in words is "eighty-nine million, nine hundred seventy-four thousand, nine hundred three".

Divisors: 1 67 1342909 89974903