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89612628 = 22371066817
BaseRepresentation
bin1010101011101…
…10000101010100
320020121210102020
411111312011110
5140420101003
612520413140
72135460210
oct525660524
9206553366
1089612628
1146647326
12260171b0
1315747831
14bc89940
157d01d53
hex5576154

89612628 has 24 divisors (see below), whose sum is σ = 238967232. Its totient is φ = 25603584.

The previous prime is 89612603. The next prime is 89612629. The reversal of 89612628 is 82621698.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 89612628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89612629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533325 + ... + 533492.

It is an arithmetic number, because the mean of its divisors is an integer number (9956968).

Almost surely, 289612628 is an apocalyptic number.

It is an amenable number.

89612628 is an abundant number, since it is smaller than the sum of its proper divisors (149354604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89612628 is a wasteful number, since it uses less digits than its factorization.

89612628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066831 (or 1066829 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 89612628 is about 9466.3946674539. The cubic root of 89612628 is about 447.4965978747.

The spelling of 89612628 in words is "eighty-nine million, six hundred twelve thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1066817 2133634 3200451 4267268 6400902 7467719 12801804 14935438 22403157 29870876 44806314 89612628