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23470045 = 543173631
BaseRepresentation
bin101100110000…
…1111111011101
31122011101211221
41121201333131
522002020140
62155013341
7403330534
oct131417735
948141757
1023470045
1112280435
127a3a251
134b29a01
14318d31b
1520d914a
hex1661fdd

23470045 has 16 divisors (see below), whose sum is σ = 29031552. Its totient is φ = 18204480.

The previous prime is 23470037. The next prime is 23470049. The reversal of 23470045 is 54007432.

It is not a de Polignac number, because 23470045 - 23 = 23470037 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 (23470049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36880 + ... + 37510.

It is an arithmetic number, because the mean of its divisors is an integer number (1814472).

Almost surely, 223470045 is an apocalyptic number.

It is an amenable number.

23470045 is a deficient number, since it is larger than the sum of its proper divisors (5561507).

23470045 is a wasteful number, since it uses less digits than its factorization.

23470045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 23470045 is about 4844.5892498745. The cubic root of 23470045 is about 286.3109606188.

Adding to 23470045 its reverse (54007432), we get a palindrome (77477477).

The spelling of 23470045 in words is "twenty-three million, four hundred seventy thousand, forty-five".

Divisors: 1 5 43 173 215 631 865 3155 7439 27133 37195 109163 135665 545815 4694009 23470045