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23513153 = 2383109113
BaseRepresentation
bin101100110110…
…0100001000001
31122020120222112
41121230201001
522004410103
62155545105
7403600316
oct131544101
948216875
1023513153
11122aa864
127a5b195
134b43511
1431a0d0d
1520e6cd8
hex166c841

23513153 has 16 divisors (see below), whose sum is σ = 25280640. Its totient is φ = 21821184.

The previous prime is 23513137. The next prime is 23513201. The reversal of 23513153 is 35131532.

It is a cyclic number.

It is not a de Polignac number, because 23513153 - 24 = 23513137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23513123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208025 + ... + 208137.

It is an arithmetic number, because the mean of its divisors is an integer number (1580040).

Almost surely, 223513153 is an apocalyptic number.

23513153 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23513153 is a deficient number, since it is larger than the sum of its proper divisors (1767487).

23513153 is a wasteful number, since it uses less digits than its factorization.

23513153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328.

The product of its digits is 1350, while the sum is 23.

The square root of 23513153 is about 4849.0362960077. The cubic root of 23513153 is about 286.4861448324.

Adding to 23513153 its reverse (35131532), we get a palindrome (58644685).

The spelling of 23513153 in words is "twenty-three million, five hundred thirteen thousand, one hundred fifty-three".

Divisors: 1 23 83 109 113 1909 2507 2599 9047 9379 12317 208081 215717 283291 1022311 23513153