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89238025 = 523569521
BaseRepresentation
bin1010101000110…
…10101000001001
320012220202120001
411110122220021
5140321104100
612504403001
72132340112
oct524325011
9205822501
1089238025
1146410938
1225a76461
1315646186
14bbcd209
157c7ad6a
hex551aa09

89238025 has 6 divisors (see below), whose sum is σ = 110655182. Its totient is φ = 71390400.

The previous prime is 89238011. The next prime is 89238073. The reversal of 89238025 is 52083298.

It can be written as a sum of positive squares in 3 ways, for example, as 1272384 + 87965641 = 1128^2 + 9379^2 .

It is a de Polignac number, because none of the positive numbers 2k-89238025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1784736 + ... + 1784785.

Almost surely, 289238025 is an apocalyptic number.

It is an amenable number.

89238025 is a deficient number, since it is larger than the sum of its proper divisors (21417157).

89238025 is a wasteful number, since it uses less digits than its factorization.

89238025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569531 (or 3569526 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 89238025 is about 9446.5880083764. The cubic root of 89238025 is about 446.8721780838.

The spelling of 89238025 in words is "eighty-nine million, two hundred thirty-eight thousand, twenty-five".

Divisors: 1 5 25 3569521 17847605 89238025