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23495353 = 72479497
BaseRepresentation
bin101100110100…
…0001010111001
31122012200120021
41121220022321
522003322403
62155330441
7403464400
oct131501271
948180507
1023495353
1112298452
127a50a21
134b3839b
143198637
1520e18bd
hex16682b9

23495353 has 6 divisors (see below), whose sum is σ = 27331386. Its totient is φ = 20138832.

The previous prime is 23495323. The next prime is 23495369. The reversal of 23495353 is 35359432.

It can be written as a sum of positive squares in only one way, i.e., 20766249 + 2729104 = 4557^2 + 1652^2 .

It is a de Polignac number, because none of the positive numbers 2k-23495353 is a prime.

It is a super-2 number, since 2×234953532 = 1104063225189218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23495323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 239700 + ... + 239797.

It is an arithmetic number, because the mean of its divisors is an integer number (4555231).

Almost surely, 223495353 is an apocalyptic number.

It is an amenable number.

23495353 is a deficient number, since it is larger than the sum of its proper divisors (3836033).

23495353 is an equidigital number, since it uses as much as digits as its factorization.

23495353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479511 (or 479504 counting only the distinct ones).

The product of its digits is 48600, while the sum is 34.

The square root of 23495353 is about 4847.2005322660. The cubic root of 23495353 is about 286.4138343725.

The spelling of 23495353 in words is "twenty-three million, four hundred ninety-five thousand, three hundred fifty-three".

Divisors: 1 7 49 479497 3356479 23495353