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23973429 = 3231572213
BaseRepresentation
bin101101101110…
…0111000110101
31200002222100210
41123130320311
522114122204
62213500033
7410525244
oct133347065
950088323
1023973429
1112594657
128041619
134c74b7c
14328095b
152188389
hex16dce35

23973429 has 16 divisors (see below), whose sum is σ = 33581952. Its totient is φ = 15183168.

The previous prime is 23973413. The next prime is 23973449. The reversal of 23973429 is 92437932.

It is not a de Polignac number, because 23973429 - 24 = 23973413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23973449) 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, 9727 + ... + 11939.

It is an arithmetic number, because the mean of its divisors is an integer number (2098872).

Almost surely, 223973429 is an apocalyptic number.

It is an amenable number.

23973429 is a deficient number, since it is larger than the sum of its proper divisors (9608523).

23973429 is a wasteful number, since it uses less digits than its factorization.

23973429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396.

The product of its digits is 81648, while the sum is 39.

The square root of 23973429 is about 4896.2668432184. The cubic root of 23973429 is about 288.3434247158.

The spelling of 23973429 in words is "twenty-three million, nine hundred seventy-three thousand, four hundred twenty-nine".

Divisors: 1 3 23 69 157 471 2213 3611 6639 10833 50899 152697 347441 1042323 7991143 23973429