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23489379 = 334631879
BaseRepresentation
bin101100110011…
…0101101100011
31122012101101000
41121212231203
522003130004
62155243043
7403441104
oct131465543
948171330
1023489379
1112293a11
127a49483
134b35754
1431963ab
1520dec39
hex1666b63

23489379 has 16 divisors (see below), whose sum is σ = 34892800. Its totient is φ = 15617448.

The previous prime is 23489353. The next prime is 23489381. The reversal of 23489379 is 97398432.

It is a happy number.

It is not a de Polignac number, because 23489379 - 27 = 23489251 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 (23489399) 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, 11562 + ... + 13440.

It is an arithmetic number, because the mean of its divisors is an integer number (2180800).

Almost surely, 223489379 is an apocalyptic number.

23489379 is a deficient number, since it is larger than the sum of its proper divisors (11403421).

23489379 is a wasteful number, since it uses less digits than its factorization.

23489379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351 (or 2345 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 23489379 is about 4846.5842611060. The cubic root of 23489379 is about 286.3895574969.

The spelling of 23489379 in words is "twenty-three million, four hundred eighty-nine thousand, three hundred seventy-nine".

Divisors: 1 3 9 27 463 1389 1879 4167 5637 12501 16911 50733 869977 2609931 7829793 23489379