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23311004 = 2271791039
BaseRepresentation
bin101100011101…
…1001010011100
31121212022200112
41120323022130
521431423004
62151345152
7402066053
oct130731234
947768615
1023311004
11121819a2
1279821b8
134aa24c2
14314b39a
1520a6e6e
hex163b29c

23311004 has 24 divisors (see below), whose sum is σ = 41932800. Its totient is φ = 11334960.

The previous prime is 23311003. The next prime is 23311019. The reversal of 23311004 is 40011332.

It is a self number, because there is not a number n which added to its sum of digits gives 23311004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21917 + ... + 22955.

It is an arithmetic number, because the mean of its divisors is an integer number (1747200).

Almost surely, 223311004 is an apocalyptic number.

It is an amenable number.

23311004 is a deficient number, since it is larger than the sum of its proper divisors (18621796).

23311004 is a wasteful number, since it uses less digits than its factorization.

23311004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23311004 is about 4828.1470565839. The cubic root of 23311004 is about 285.6627808588.

Adding to 23311004 its reverse (40011332), we get a palindrome (63322336).

The spelling of 23311004 in words is "twenty-three million, three hundred eleven thousand, four".

Divisors: 1 2 4 71 79 142 158 284 316 1039 2078 4156 5609 11218 22436 73769 82081 147538 164162 295076 328324 5827751 11655502 23311004