Search a number
-
+
23957000 = 235323957
BaseRepresentation
bin101101101100…
…0111000001000
31200002010211022
41123120320020
522113111000
62213252012
7410426324
oct133307010
950063738
1023957000
1112583281
128034008
134c6a552
143278984
152183585
hex16d8e08

23957000 has 32 divisors (see below), whose sum is σ = 56061720. Its totient is φ = 9582400.

The previous prime is 23956903. The next prime is 23957027. The reversal of 23957000 is 75932.

It can be written as a sum of positive squares in 4 ways, for example, as 10982596 + 12974404 = 3314^2 + 3602^2 .

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 7 ways as a sum of consecutive naturals, for example, 10979 + ... + 12978.

Almost surely, 223957000 is an apocalyptic number.

23957000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23957000 is an abundant number, since it is smaller than the sum of its proper divisors (32104720).

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

23957000 is a wasteful number, since it uses less digits than its factorization.

23957000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23978 (or 23964 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 23957000 is about 4894.5888489229. The cubic root of 23957000 is about 288.2775423776.

The spelling of 23957000 in words is "twenty-three million, nine hundred fifty-seven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 23957 47914 95828 119785 191656 239570 479140 598925 958280 1197850 2395700 2994625 4791400 5989250 11978500 23957000