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23380653 = 323932609
BaseRepresentation
bin101100100110…
…0001010101101
31121222212020010
41121030022231
521441140103
62153043433
7402506112
oct131141255
947885203
1023380653
111221a25a
1279b6579
134ac810a
143168909
1520bc903
hex164c2ad

23380653 has 8 divisors (see below), whose sum is σ = 31305600. Its totient is φ = 15521408.

The previous prime is 23380649. The next prime is 23380657. The reversal of 23380653 is 35608332.

It is an interprime number because it is at equal distance from previous prime (23380649) and next prime (23380657).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23380653 - 22 = 23380649 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23380653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23380657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15588 + ... + 17021.

It is an arithmetic number, because the mean of its divisors is an integer number (3913200).

Almost surely, 223380653 is an apocalyptic number.

It is an amenable number.

23380653 is a deficient number, since it is larger than the sum of its proper divisors (7924947).

23380653 is a wasteful number, since it uses less digits than its factorization.

23380653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32851.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 23380653 is about 4835.3544854540. The cubic root of 23380653 is about 285.9470006279.

Adding to 23380653 its reverse (35608332), we get a palindrome (58988985).

The spelling of 23380653 in words is "twenty-three million, three hundred eighty thousand, six hundred fifty-three".

Divisors: 1 3 239 717 32609 97827 7793551 23380653