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23812056 = 23371361
BaseRepresentation
bin101101011010…
…1011111011000
31122210210000000
41122311133120
522043441211
62210213000
7406253622
oct132653730
948723000
1023812056
1112494394
127b84160
134c19598
14323bc12
152155656
hex16b57d8

23812056 has 64 divisors (see below), whose sum is σ = 67010400. Its totient is φ = 7931520.

The previous prime is 23812049. The next prime is 23812057. The reversal of 23812056 is 65021832.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23812057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16816 + ... + 18176.

Almost surely, 223812056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23812056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33505200).

23812056 is an abundant number, since it is smaller than the sum of its proper divisors (43198344).

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

23812056 is an equidigital number, since it uses as much as digits as its factorization.

23812056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 23812056 is about 4879.7598301556. The cubic root of 23812056 is about 287.6949895885.

Adding to 23812056 its reverse (65021832), we get a palindrome (88833888).

The spelling of 23812056 in words is "twenty-three million, eight hundred twelve thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 243 324 486 648 729 972 1361 1458 1944 2187 2722 2916 4083 4374 5444 5832 8166 8748 10888 12249 16332 17496 24498 32664 36747 48996 73494 97992 110241 146988 220482 293976 330723 440964 661446 881928 992169 1322892 1984338 2645784 2976507 3968676 5953014 7937352 11906028 23812056