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23669628 = 2234148109
BaseRepresentation
bin101101001001…
…0101101111100
31122112112121220
41122102231330
522024412003
62203153340
7405121443
oct132225574
948475556
1023669628
11123a7384
127b15850
134b997c8
143201d5a
152128353
hex1692b7c

23669628 has 24 divisors (see below), whose sum is σ = 56577360. Its totient is φ = 7697280.

The previous prime is 23669621. The next prime is 23669629. The reversal of 23669628 is 82696632.

It is a self number, because there is not a number n which added to its sum of digits gives 23669628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23669621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23563 + ... + 24546.

It is an arithmetic number, because the mean of its divisors is an integer number (2357390).

Almost surely, 223669628 is an apocalyptic number.

It is an amenable number.

23669628 is an abundant number, since it is smaller than the sum of its proper divisors (32907732).

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

23669628 is a wasteful number, since it uses less digits than its factorization.

23669628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48157 (or 48155 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 23669628 is about 4865.1441910801. The cubic root of 23669628 is about 287.1202416357.

The spelling of 23669628 in words is "twenty-three million, six hundred sixty-nine thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 48109 96218 144327 192436 288654 577308 1972469 3944938 5917407 7889876 11834814 23669628