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23949080 = 235598727
BaseRepresentation
bin101101101011…
…0111100011000
31200001201221222
41123112330120
522112332310
62213151212
7410364251
oct133267430
950051858
1023949080
1112578331
12802b508
134c66a6c
143275b28
152181055
hex16d6f18

23949080 has 16 divisors (see below), whose sum is σ = 53885520. Its totient is φ = 9579616.

The previous prime is 23949077. The next prime is 23949091. The reversal of 23949080 is 8094932.

It is a self number, because there is not a number n which added to its sum of digits gives 23949080.

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, 299324 + ... + 299403.

It is an arithmetic number, because the mean of its divisors is an integer number (3367845).

Almost surely, 223949080 is an apocalyptic number.

23949080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23949080 is an abundant number, since it is smaller than the sum of its proper divisors (29936440).

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

23949080 is a wasteful number, since it uses less digits than its factorization.

23949080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598738 (or 598734 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 23949080 is about 4893.7797253248. The cubic root of 23949080 is about 288.2457714299.

The spelling of 23949080 in words is "twenty-three million, nine hundred forty-nine thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 598727 1197454 2394908 2993635 4789816 5987270 11974540 23949080