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23457045 = 35832227
BaseRepresentation
bin101100101111…
…0110100010101
31122010202000110
41121132310111
522001111140
62154433233
7403244613
oct131366425
948122013
1023457045
1112271697
127a32819
134b23b11
1431886b3
1520d5380
hex165ed15

23457045 has 24 divisors (see below), whose sum is σ = 38156256. Its totient is φ = 12305248.

The previous prime is 23457029. The next prime is 23457047. The reversal of 23457045 is 54075432.

It is not a de Polignac number, because 23457045 - 24 = 23457029 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23457047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103222 + ... + 103448.

It is an arithmetic number, because the mean of its divisors is an integer number (1589844).

Almost surely, 223457045 is an apocalyptic number.

It is an amenable number.

23457045 is a deficient number, since it is larger than the sum of its proper divisors (14699211).

23457045 is an equidigital number, since it uses as much as digits as its factorization.

23457045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 23457045 is about 4843.2473610172. The cubic root of 23457045 is about 286.2580885442.

The spelling of 23457045 in words is "twenty-three million, four hundred fifty-seven thousand, forty-five".

Divisors: 1 3 5 15 83 227 249 415 681 1135 1245 3405 6889 18841 20667 34445 56523 94205 103335 282615 1563803 4691409 7819015 23457045