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23690502 = 2331139883
BaseRepresentation
bin101101001011…
…1110100000110
31122120121021000
41122113310012
522031044002
62203434130
7405236343
oct132276406
948517230
1023690502
1112411030
127b25946
134ba6164
1432097ca
15212e61c
hex1697d06

23690502 has 32 divisors (see below), whose sum is σ = 57432960. Its totient is φ = 7178760.

The previous prime is 23690467. The next prime is 23690519. The reversal of 23690502 is 20509632.

It is a super-2 number, since 2×236905022 = 1122479770024008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19348 + ... + 20535.

It is an arithmetic number, because the mean of its divisors is an integer number (1794780).

Almost surely, 223690502 is an apocalyptic number.

23690502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23690502 is an abundant number, since it is smaller than the sum of its proper divisors (33742458).

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

23690502 is a wasteful number, since it uses less digits than its factorization.

23690502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39905 (or 39899 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 23690502 is about 4867.2889784766. The cubic root of 23690502 is about 287.2046196266.

The spelling of 23690502 in words is "twenty-three million, six hundred ninety thousand, five hundred two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 39883 79766 119649 239298 358947 438713 717894 877426 1076841 1316139 2153682 2632278 3948417 7896834 11845251 23690502