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23121714 = 2371150047
BaseRepresentation
bin101100000110…
…0111100110010
31121111201000210
41120030330302
521404343324
62143324550
7400350150
oct130147462
947451023
1023121714
1112062760
1278b0756
134a372b5
1430dc3d0
15206ad29
hex160cf32

23121714 has 32 divisors (see below), whose sum is σ = 57655296. Its totient is φ = 6005520.

The previous prime is 23121673. The next prime is 23121719. The reversal of 23121714 is 41712132.

It is a super-2 number, since 2×231217142 = 1069227316595592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (23121719) 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, 24562 + ... + 25485.

It is an arithmetic number, because the mean of its divisors is an integer number (1801728).

Almost surely, 223121714 is an apocalyptic number.

23121714 is an abundant number, since it is smaller than the sum of its proper divisors (34533582).

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

23121714 is a wasteful number, since it uses less digits than its factorization.

23121714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50070.

The product of its digits is 336, while the sum is 21.

The square root of 23121714 is about 4808.5043412687. The cubic root of 23121714 is about 284.8874655738.

Adding to 23121714 its reverse (41712132), we get a palindrome (64833846).

It can be divided in two parts, 231 and 21714, that added together give a triangular number (21945 = T209).

The spelling of 23121714 in words is "twenty-three million, one hundred twenty-one thousand, seven hundred fourteen".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 50047 100094 150141 300282 350329 550517 700658 1050987 1101034 1651551 2101974 3303102 3853619 7707238 11560857 23121714