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23996040 = 2335199967
BaseRepresentation
bin101101110001…
…0011010001000
31200011010101020
41123202122020
522120333130
62214152440
7410651205
oct133423210
950133336
1023996040
11125aa642
128052720
134c82253
143288cac
15218ee10
hex16e2688

23996040 has 32 divisors (see below), whose sum is σ = 71988480. Its totient is φ = 6398912.

The previous prime is 23996039. The next prime is 23996051. The reversal of 23996040 is 4069932.

It is a junction number, because it is equal to n+sod(n) for n = 23995992 and 23996010.

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, 99864 + ... + 100103.

It is an arithmetic number, because the mean of its divisors is an integer number (2249640).

Almost surely, 223996040 is an apocalyptic number.

23996040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23996040 is an abundant number, since it is smaller than the sum of its proper divisors (47992440).

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

23996040 is a wasteful number, since it uses less digits than its factorization.

23996040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199981 (or 199977 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 23996040 is about 4898.5753030856. The cubic root of 23996040 is about 288.4340484436.

The spelling of 23996040 in words is "twenty-three million, nine hundred ninety-six thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 199967 399934 599901 799868 999835 1199802 1599736 1999670 2399604 2999505 3999340 4799208 5999010 7998680 11998020 23996040