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89309927 = 712758561
BaseRepresentation
bin1010101001011…
…00001011100111
320020001102012002
411110230023213
5140330404202
612510115515
72133056540
oct524541347
9206042162
1089309927
114645a963
1225aabb9b
131566cb15
14bc0b4c7
157c92302
hex552c2e7

89309927 has 4 divisors (see below), whose sum is σ = 102068496. Its totient is φ = 76551360.

The previous prime is 89309923. The next prime is 89309981. The reversal of 89309927 is 72990398.

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 89309927 - 22 = 89309923 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 (89309923) 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, 6379274 + ... + 6379287.

It is an arithmetic number, because the mean of its divisors is an integer number (25517124).

Almost surely, 289309927 is an apocalyptic number.

89309927 is a deficient number, since it is larger than the sum of its proper divisors (12758569).

89309927 is a wasteful number, since it uses less digits than its factorization.

89309927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12758568.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 89309927 is about 9450.3929547929. The cubic root of 89309927 is about 446.9921657144.

The spelling of 89309927 in words is "eighty-nine million, three hundred nine thousand, nine hundred twenty-seven".

Divisors: 1 7 12758561 89309927