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23043982 = 213886307
BaseRepresentation
bin101011111100…
…1111110001110
31121100202101211
41113321332032
521344401412
62141525034
7366604423
oct127717616
947322354
1023043982
111200a315
12787377a
134a0aac0
1430bbd4a
152052ca7
hex15f9f8e

23043982 has 8 divisors (see below), whose sum is σ = 37224936. Its totient is φ = 10635672.

The previous prime is 23043947. The next prime is 23043997. The reversal of 23043982 is 28934032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443128 + ... + 443179.

It is an arithmetic number, because the mean of its divisors is an integer number (4653117).

Almost surely, 223043982 is an apocalyptic number.

23043982 is a deficient number, since it is larger than the sum of its proper divisors (14180954).

23043982 is a wasteful number, since it uses less digits than its factorization.

23043982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886322.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 23043982 is about 4800.4147737461. The cubic root of 23043982 is about 284.5678564116.

It can be divided in two parts, 23043 and 982, that added together give a square (24025 = 1552).

The spelling of 23043982 in words is "twenty-three million, forty-three thousand, nine hundred eighty-two".

Divisors: 1 2 13 26 886307 1772614 11521991 23043982