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23683764 = 22313157967
BaseRepresentation
bin101101001011…
…0001010110100
31122120021000110
41122112022310
522030340024
62203343020
7405210606
oct132261264
948507013
1023683764
1112406a65
127b21a70
134ba3080
143207176
15212c629
hex16962b4

23683764 has 48 divisors (see below), whose sum is σ = 59954048. Its totient is φ = 7233408.

The previous prime is 23683753. The next prime is 23683769. The reversal of 23683764 is 46738632.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23683769) 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, 24009 + ... + 24975.

Almost surely, 223683764 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 23683764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29977024).

23683764 is an abundant number, since it is smaller than the sum of its proper divisors (36270284).

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

23683764 is a wasteful number, since it uses less digits than its factorization.

23683764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 1142 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 23683764 is about 4866.5967574887. The cubic root of 23683764 is about 287.1773883445.

The spelling of 23683764 in words is "twenty-three million, six hundred eighty-three thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 157 314 471 628 942 967 1884 1934 2041 2901 3868 4082 5802 6123 8164 11604 12246 12571 24492 25142 37713 50284 75426 150852 151819 303638 455457 607276 910914 1821828 1973647 3947294 5920941 7894588 11841882 23683764