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23916669 = 377691481
BaseRepresentation
bin101101100111…
…1000001111101
31200000002111120
41123033001331
522110313134
62212341153
7410200620
oct133170175
950002446
1023916669
1112555a47
1280147b9
134c5509a
143267db7
152176649
hex16cf07d

23916669 has 16 divisors (see below), whose sum is σ = 36516480. Its totient is φ = 13639680.

The previous prime is 23916661. The next prime is 23916691. The reversal of 23916669 is 96661932.

It is not a de Polignac number, because 23916669 - 23 = 23916661 is a prime.

It is a super-2 number, since 2×239166692 = 1144014112111122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23916669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23916661) 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, 15409 + ... + 16889.

It is an arithmetic number, because the mean of its divisors is an integer number (2282280).

Almost surely, 223916669 is an apocalyptic number.

It is an amenable number.

23916669 is a deficient number, since it is larger than the sum of its proper divisors (12599811).

23916669 is a wasteful number, since it uses less digits than its factorization.

23916669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260.

The product of its digits is 104976, while the sum is 42.

The square root of 23916669 is about 4890.4671555998. The cubic root of 23916669 is about 288.1156822116.

The spelling of 23916669 in words is "twenty-three million, nine hundred sixteen thousand, six hundred sixty-nine".

Divisors: 1 3 7 21 769 1481 2307 4443 5383 10367 16149 31101 1138889 3416667 7972223 23916669