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23001315 = 355572753
BaseRepresentation
bin101011110111…
…1100011100011
31121021120212120
41113233203203
521342020230
62140555323
7366336141
oct127574343
947246776
1023001315
1111a90257
127852b43
1349c455c
1430aa591
152045310
hex15ef8e3

23001315 has 16 divisors (see below), whose sum is σ = 36881568. Its totient is φ = 12240896.

The previous prime is 23001313. The next prime is 23001337. The reversal of 23001315 is 51310032.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23001315 - 21 = 23001313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 23001294 and 23001303.

It is not an unprimeable number, because it can be changed into a prime (23001313) 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, 6979 + ... + 9731.

It is an arithmetic number, because the mean of its divisors is an integer number (2305098).

Almost surely, 223001315 is an apocalyptic number.

23001315 is a deficient number, since it is larger than the sum of its proper divisors (13880253).

23001315 is a wasteful number, since it uses less digits than its factorization.

23001315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 23001315 is about 4795.9686195804. The cubic root of 23001315 is about 284.3921177153.

Adding to 23001315 its reverse (51310032), we get a palindrome (74311347).

The spelling of 23001315 in words is "twenty-three million, one thousand, three hundred fifteen".

Divisors: 1 3 5 15 557 1671 2753 2785 8259 8355 13765 41295 1533421 4600263 7667105 23001315