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23677493 = 7832491
BaseRepresentation
bin101101001010…
…0101000110101
31122112221102012
41122110220311
522030134433
62203254005
7405153410
oct132245065
948487365
1023677493
1112402284
127b1a305
134ba0268
143204b77
15212a848
hex1694a35

23677493 has 12 divisors (see below), whose sum is σ = 27445728. Its totient is φ = 20009640.

The previous prime is 23677483. The next prime is 23677523. The reversal of 23677493 is 39477632.

It is not a de Polignac number, because 23677493 - 26 = 23677429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23677493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23677403) 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, 47978 + ... + 48468.

It is an arithmetic number, because the mean of its divisors is an integer number (2287144).

Almost surely, 223677493 is an apocalyptic number.

It is an amenable number.

23677493 is a deficient number, since it is larger than the sum of its proper divisors (3768235).

23677493 is an frugal number, since it uses more digits than its factorization.

23677493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 581 counting only the distinct ones).

The product of its digits is 190512, while the sum is 41.

The square root of 23677493 is about 4865.9524247572. The cubic root of 23677493 is about 287.1520397784.

The spelling of 23677493 in words is "twenty-three million, six hundred seventy-seven thousand, four hundred ninety-three".

Divisors: 1 7 83 491 581 3437 6889 40753 48223 285271 3382499 23677493