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89623131 = 3132298029
BaseRepresentation
bin1010101011110…
…00101001011011
320020122022211020
411111320221123
5140420420011
612520533523
72135532633
oct525705133
9206568736
1089623131
1146654204
12260212a3
131574c550
14bc8d6c3
157d05006
hex5578a5b

89623131 has 8 divisors (see below), whose sum is σ = 128689680. Its totient is φ = 55152672.

The previous prime is 89623123. The next prime is 89623199. The reversal of 89623131 is 13132698.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89623131 - 23 = 89623123 is a prime.

It is a super-2 number, since 2×896231312 = 16064611220486322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89623092 and 89623101.

It is not an unprimeable number, because it can be changed into a prime (89625131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148976 + ... + 1149053.

It is an arithmetic number, because the mean of its divisors is an integer number (16086210).

Almost surely, 289623131 is an apocalyptic number.

89623131 is a deficient number, since it is larger than the sum of its proper divisors (39066549).

89623131 is a wasteful number, since it uses less digits than its factorization.

89623131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298045.

The product of its digits is 7776, while the sum is 33.

The square root of 89623131 is about 9466.9494030548. The cubic root of 89623131 is about 447.5140800580.

The spelling of 89623131 in words is "eighty-nine million, six hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 3 13 39 2298029 6894087 29874377 89623131