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23315601 = 353146639
BaseRepresentation
bin101100011110…
…0010010010001
31121212112222210
41120330102101
521432044401
62151422333
7402115341
oct130742221
947775883
1023315601
11121853a1
1279849a9
134aa461a
14314cd21
1520a84d6
hex163c491

23315601 has 8 divisors (see below), whose sum is σ = 31674240. Its totient is φ = 15250352.

The previous prime is 23315569. The next prime is 23315609. The reversal of 23315601 is 10651332.

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 23315601 - 25 = 23315569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23315609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73161 + ... + 73478.

It is an arithmetic number, because the mean of its divisors is an integer number (3959280).

Almost surely, 223315601 is an apocalyptic number.

It is an amenable number.

23315601 is a deficient number, since it is larger than the sum of its proper divisors (8358639).

23315601 is a wasteful number, since it uses less digits than its factorization.

23315601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146695.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 23315601 is about 4828.6230956661. The cubic root of 23315601 is about 285.6815574774.

Adding to 23315601 its reverse (10651332), we get a palindrome (33966933).

The spelling of 23315601 in words is "twenty-three million, three hundred fifteen thousand, six hundred one".

Divisors: 1 3 53 159 146639 439917 7771867 23315601