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23098488 = 2337137491
BaseRepresentation
bin101100000011…
…1010001111000
31121110112011120
41120013101320
521403122423
62143025240
7400222350
oct130072170
947415146
1023098488
1112047266
12789b220
134a2985a
1430d3b60
152063ee3
hex1607478

23098488 has 32 divisors (see below), whose sum is σ = 65996160. Its totient is φ = 6599520.

The previous prime is 23098487. The next prime is 23098499. The reversal of 23098488 is 88489032.

It is a happy number.

It is a super-2 number, since 2×230984882 = 1067080295772288, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23098483) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 68578 + ... + 68913.

It is an arithmetic number, because the mean of its divisors is an integer number (2062380).

Almost surely, 223098488 is an apocalyptic number.

23098488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23098488 is an abundant number, since it is smaller than the sum of its proper divisors (42897672).

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

23098488 is a wasteful number, since it uses less digits than its factorization.

23098488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137507 (or 137503 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 23098488 is about 4806.0886383836. The cubic root of 23098488 is about 284.7920428173.

The spelling of 23098488 in words is "twenty-three million, ninety-eight thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 137491 274982 412473 549964 824946 962437 1099928 1649892 1924874 2887311 3299784 3849748 5774622 7699496 11549244 23098488