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23670396 = 2232739007
BaseRepresentation
bin101101001001…
…0111001111100
31122112120200100
41122102321330
522024423041
62203201100
7405123621
oct132227174
948476610
1023670396
11123a7a12
127b16190
134b99c69
143202348
1521286b6
hex1692e7c

23670396 has 36 divisors (see below), whose sum is σ = 60659872. Its totient is φ = 7781184.

The previous prime is 23670389. The next prime is 23670397. The reversal of 23670396 is 69307632.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23670396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23670397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1876 + ... + 7131.

Almost surely, 223670396 is an apocalyptic number.

It is an amenable number.

23670396 is an abundant number, since it is smaller than the sum of its proper divisors (36989476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23670396 is a wasteful number, since it uses less digits than its factorization.

23670396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9090 (or 9085 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 23670396 is about 4865.2231192413. The cubic root of 23670396 is about 287.1233469649.

The spelling of 23670396 in words is "twenty-three million, six hundred seventy thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 73 146 219 292 438 657 876 1314 2628 9007 18014 27021 36028 54042 81063 108084 162126 324252 657511 1315022 1972533 2630044 3945066 5917599 7890132 11835198 23670396