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23102004 = 2234740961
BaseRepresentation
bin101100000100…
…0001000110100
31121110200222210
41120020020310
521403231004
62143053420
7400235532
oct130101064
947420883
1023102004
1112049972
1278a1270
134a2b333
1430d5152
152065089
hex1608234

23102004 has 24 divisors (see below), whose sum is σ = 55052928. Its totient is φ = 7536640.

The previous prime is 23101999. The next prime is 23102021. The reversal of 23102004 is 40020132.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19917 + ... + 21044.

It is an arithmetic number, because the mean of its divisors is an integer number (2293872).

Almost surely, 223102004 is an apocalyptic number.

It is an amenable number.

23102004 is an abundant number, since it is smaller than the sum of its proper divisors (31950924).

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

23102004 is a wasteful number, since it uses less digits than its factorization.

23102004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41015 (or 41013 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 23102004 is about 4806.4544104776. The cubic root of 23102004 is about 284.8064922193.

Adding to 23102004 its reverse (40020132), we get a palindrome (63122136).

The spelling of 23102004 in words is "twenty-three million, one hundred two thousand, four".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 40961 81922 122883 163844 245766 491532 1925167 3850334 5775501 7700668 11551002 23102004