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23090764 = 2219729303
BaseRepresentation
bin101100000010…
…1011001001100
31121110010120111
41120011121030
521402401024
62142525404
7400161004
oct130053114
947403514
1023090764
1112041484
127896864
134a26198
1430d1004
152061a94
hex160564c

23090764 has 12 divisors (see below), whose sum is σ = 40615344. Its totient is φ = 11486384.

The previous prime is 23090761. The next prime is 23090791. The reversal of 23090764 is 46709032.

23090764 is nontrivially palindromic in base 7.

It is not an unprimeable number, because it can be changed into a prime (23090761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13864 + ... + 15439.

It is an arithmetic number, because the mean of its divisors is an integer number (3384612).

Almost surely, 223090764 is an apocalyptic number.

It is an amenable number.

23090764 is a deficient number, since it is larger than the sum of its proper divisors (17524580).

23090764 is a wasteful number, since it uses less digits than its factorization.

23090764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29504 (or 29502 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 23090764 is about 4805.2850071562. The cubic root of 23090764 is about 284.7602950109.

Adding to 23090764 its reverse (46709032), we get a palindrome (69799796).

The spelling of 23090764 in words is "twenty-three million, ninety thousand, seven hundred sixty-four".

Divisors: 1 2 4 197 394 788 29303 58606 117212 5772691 11545382 23090764