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23972006 = 217532251
BaseRepresentation
bin101101101110…
…0100010100110
31200002220102002
41123130202212
522114101011
62213445302
7410521142
oct133344246
950086362
1023972006
1112593583
128040832
134c74326
143280222
152187c3b
hex16dc8a6

23972006 has 24 divisors (see below), whose sum is σ = 38959704. Its totient is φ = 11024000.

The previous prime is 23971993. The next prime is 23972017. The reversal of 23972006 is 60027932.

It is a self number, because there is not a number n which added to its sum of digits gives 23972006.

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 11 ways as a sum of consecutive naturals, for example, 95381 + ... + 95631.

It is an arithmetic number, because the mean of its divisors is an integer number (1623321).

Almost surely, 223972006 is an apocalyptic number.

23972006 is a deficient number, since it is larger than the sum of its proper divisors (14987698).

23972006 is a wasteful number, since it uses less digits than its factorization.

23972006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 23972006 is about 4896.1215262695. The cubic root of 23972006 is about 288.3377194992.

Adding to 23972006 its reverse (60027932), we get a palindrome (83999938).

The spelling of 23972006 in words is "twenty-three million, nine hundred seventy-two thousand, six".

Divisors: 1 2 17 34 53 106 251 502 901 1802 2809 4267 5618 8534 13303 26606 47753 95506 226151 452302 705059 1410118 11986003 23972006