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23379498 = 2321578273
BaseRepresentation
bin101100100101…
…1111000101010
31121222210122100
41121023320222
521441120443
62153034230
7402502542
oct131137052
947883570
1023379498
11122193aa
1279b5976
134ac772c
143168322
1520bc3d3
hex164be2a

23379498 has 24 divisors (see below), whose sum is σ = 50984388. Its totient is φ = 7742592.

The previous prime is 23379493. The next prime is 23379509. The reversal of 23379498 is 89497332.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23357889 + 21609 = 4833^2 + 147^2 .

It is not an unprimeable number, because it can be changed into a prime (23379493) 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 11 ways as a sum of consecutive naturals, for example, 1311 + ... + 6962.

Almost surely, 223379498 is an apocalyptic number.

23379498 is an abundant number, since it is smaller than the sum of its proper divisors (27604890).

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

23379498 is a wasteful number, since it uses less digits than its factorization.

23379498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8438 (or 8435 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 23379498 is about 4835.2350511635. The cubic root of 23379498 is about 285.9422919738.

The spelling of 23379498 in words is "twenty-three million, three hundred seventy-nine thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 9 18 157 314 471 942 1413 2826 8273 16546 24819 49638 74457 148914 1298861 2597722 3896583 7793166 11689749 23379498