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23896737 = 3219139747
BaseRepresentation
bin101101100101…
…0001010100001
31122222002011100
41123022022201
522104143422
62212105013
7410055534
oct133121241
948862140
1023896737
1112541a77
128005169
134c48ca7
143260a1b
1521707ac
hex16ca2a1

23896737 has 12 divisors (see below), whose sum is σ = 36334480. Its totient is φ = 15092568.

The previous prime is 23896723. The next prime is 23896739. The reversal of 23896737 is 73769832.

It is a happy number.

It is not a de Polignac number, because 23896737 - 26 = 23896673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23896692 and 23896701.

It is not an unprimeable number, because it can be changed into a prime (23896739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69703 + ... + 70044.

Almost surely, 223896737 is an apocalyptic number.

It is an amenable number.

23896737 is a deficient number, since it is larger than the sum of its proper divisors (12437743).

23896737 is a wasteful number, since it uses less digits than its factorization.

23896737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139772 (or 139769 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 23896737 is about 4888.4288887126. The cubic root of 23896737 is about 288.0356220406.

The spelling of 23896737 in words is "twenty-three million, eight hundred ninety-six thousand, seven hundred thirty-seven".

Divisors: 1 3 9 19 57 171 139747 419241 1257723 2655193 7965579 23896737