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23453953 = 296712071
BaseRepresentation
bin101100101111…
…0000100000001
31122010120202221
41121132010001
522001011303
62154411041
7403232605
oct131360401
948116687
1023453953
111226a336
127a30a81
134b225a3
143187505
1520d44bd
hex165e101

23453953 has 8 divisors (see below), whose sum is σ = 24626880. Its totient is φ = 22305360.

The previous prime is 23453929. The next prime is 23453957. The reversal of 23453953 is 35935432.

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 23453953 - 213 = 23445761 is a prime.

It is a super-2 number, since 2×234539532 = 1100175822652418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23453957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4093 + ... + 7978.

It is an arithmetic number, because the mean of its divisors is an integer number (3078360).

Almost surely, 223453953 is an apocalyptic number.

It is an amenable number.

23453953 is a deficient number, since it is larger than the sum of its proper divisors (1172927).

23453953 is a wasteful number, since it uses less digits than its factorization.

23453953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12167.

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

The square root of 23453953 is about 4842.9281431795. The cubic root of 23453953 is about 286.2455102491.

The spelling of 23453953 in words is "twenty-three million, four hundred fifty-three thousand, nine hundred fifty-three".

Divisors: 1 29 67 1943 12071 350059 808757 23453953