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23359240 = 235583981
BaseRepresentation
bin101100100011…
…0111100001000
31121221202212001
41121012330020
521434443430
62152400344
7402356512
oct131067410
947852761
1023359240
1112205163
1279a60b4
134abb448
143160bb2
1520b63ca
hex1646f08

23359240 has 16 divisors (see below), whose sum is σ = 52558380. Its totient is φ = 9343680.

The previous prime is 23359223. The next prime is 23359253. The reversal of 23359240 is 4295332.

It can be written as a sum of positive squares in 2 ways, for example, as 19695844 + 3663396 = 4438^2 + 1914^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23359199 and 23359208.

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 3 ways as a sum of consecutive naturals, for example, 291951 + ... + 292030.

Almost surely, 223359240 is an apocalyptic number.

23359240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23359240 is an abundant number, since it is smaller than the sum of its proper divisors (29199140).

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

23359240 is a wasteful number, since it uses less digits than its factorization.

23359240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583992 (or 583988 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 23359240 is about 4833.1397662389. The cubic root of 23359240 is about 285.8596798089.

The spelling of 23359240 in words is "twenty-three million, three hundred fifty-nine thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 583981 1167962 2335924 2919905 4671848 5839810 11679620 23359240