Search a number
-
+
23448961 = 34967189
BaseRepresentation
bin101100101110…
…0110110000001
31122010022221001
41121130312001
522000331321
62154332001
7403212214
oct131346601
948108831
1023448961
1112266608
127a2a001
134b20233
14318577b
1520d2c91
hex165cd81

23448961 has 4 divisors (see below), whose sum is σ = 23516500. Its totient is φ = 23381424.

The previous prime is 23448959. The next prime is 23448973. The reversal of 23448961 is 16984432.

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 20421361 + 3027600 = 4519^2 + 1740^2 .

It is a cyclic number.

It is not a de Polignac number, because 23448961 - 21 = 23448959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23448961.

It is not an unprimeable number, because it can be changed into a prime (23448991) 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, 33246 + ... + 33943.

It is an arithmetic number, because the mean of its divisors is an integer number (5879125).

Almost surely, 223448961 is an apocalyptic number.

It is an amenable number.

23448961 is a deficient number, since it is larger than the sum of its proper divisors (67539).

23448961 is an equidigital number, since it uses as much as digits as its factorization.

23448961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67538.

The product of its digits is 41472, while the sum is 37.

The square root of 23448961 is about 4842.4127250783. The cubic root of 23448961 is about 286.2252003966.

The spelling of 23448961 in words is "twenty-three million, four hundred forty-eight thousand, nine hundred sixty-one".

Divisors: 1 349 67189 23448961