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23402741 = 160714563
BaseRepresentation
bin101100101000…
…1100011110101
31122000222112012
41121101203311
521442341431
62153334005
7402630365
oct131214365
948028465
1023402741
111223490a
127a07305
134b0519b
1431729a5
1520c422b
hex16518f5

23402741 has 4 divisors (see below), whose sum is σ = 23418912. Its totient is φ = 23386572.

The previous prime is 23402713. The next prime is 23402749. The reversal of 23402741 is 14720432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23402741 - 210 = 23401717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5675 + ... + 8888.

It is an arithmetic number, because the mean of its divisors is an integer number (5854728).

Almost surely, 223402741 is an apocalyptic number.

It is an amenable number.

23402741 is a deficient number, since it is larger than the sum of its proper divisors (16171).

23402741 is a wasteful number, since it uses less digits than its factorization.

23402741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16170.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 23402741 is about 4837.6379566892. The cubic root of 23402741 is about 286.0370182087.

The spelling of 23402741 in words is "twenty-three million, four hundred two thousand, seven hundred forty-one".

Divisors: 1 1607 14563 23402741