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89872444 = 22103218137
BaseRepresentation
bin1010101101101…
…01100000111100
320021002222211001
411112311200330
5141001404234
612530140044
72140621534
oct526654074
9207088731
1089872444
1146804552
1226121624
1315808b7c
14bd164c4
157d53d14
hex55b583c

89872444 has 12 divisors (see below), whose sum is σ = 158804464. Its totient is φ = 44499744.

The previous prime is 89872429. The next prime is 89872457. The reversal of 89872444 is 44427898.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 89872394 and 89872403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108657 + ... + 109480.

Almost surely, 289872444 is an apocalyptic number.

It is an amenable number.

89872444 is a deficient number, since it is larger than the sum of its proper divisors (68932020).

89872444 is a wasteful number, since it uses less digits than its factorization.

89872444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218244 (or 218242 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 89872444 is about 9480.1078052942. The cubic root of 89872444 is about 447.9286597181.

The spelling of 89872444 in words is "eighty-nine million, eight hundred seventy-two thousand, four hundred forty-four".

Divisors: 1 2 4 103 206 412 218137 436274 872548 22468111 44936222 89872444