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23013401 = 76130241
BaseRepresentation
bin101011111001…
…0100000011001
31121022012110012
41113302200121
521342412101
62141131305
7366416315
oct127624031
947265405
1023013401
1111a99344
127859b35
1349c9bc8
1430b0b45
152048bbb
hex15f2819

23013401 has 4 divisors (see below), whose sum is σ = 23044404. Its totient is φ = 22982400.

The previous prime is 23013383. The next prime is 23013433. The reversal of 23013401 is 10431032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1157776 + 21855625 = 1076^2 + 4675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23013401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23013491) 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, 14360 + ... + 15881.

It is an arithmetic number, because the mean of its divisors is an integer number (5761101).

Almost surely, 223013401 is an apocalyptic number.

It is an amenable number.

23013401 is a deficient number, since it is larger than the sum of its proper divisors (31003).

23013401 is an equidigital number, since it uses as much as digits as its factorization.

23013401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31002.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23013401 is about 4797.2284706901. The cubic root of 23013401 is about 284.4419201041.

Adding to 23013401 its reverse (10431032), we get a palindrome (33444433).

It can be divided in two parts, 230 and 13401, that added together give a palindrome (13631).

The spelling of 23013401 in words is "twenty-three million, thirteen thousand, four hundred one".

Divisors: 1 761 30241 23013401