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24642423 = 3213210619
BaseRepresentation
bin101111000000…
…0001101110111
31201100222001100
41132000031313
522302024143
62240101143
7416312541
oct136001567
951328040
1024642423
1112a01243
1283047b3
13514a520
1433b6691
15226b6d3
hex1780377

24642423 has 12 divisors (see below), whose sum is σ = 38332840. Its totient is φ = 15164496.

The previous prime is 24642377. The next prime is 24642437. The reversal of 24642423 is 32424642.

It is not a de Polignac number, because 24642423 - 210 = 24641399 is a prime.

It is a super-2 number, since 2×246424232 = 1214498022621858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24642323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105193 + ... + 105426.

Almost surely, 224642423 is an apocalyptic number.

24642423 is a deficient number, since it is larger than the sum of its proper divisors (13690417).

24642423 is a wasteful number, since it uses less digits than its factorization.

24642423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210638 (or 210635 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 24642423 is about 4964.1135160268. The cubic root of 24642423 is about 291.0009919547. Note that the first 3 decimals are identical.

The spelling of 24642423 in words is "twenty-four million, six hundred forty-two thousand, four hundred twenty-three".

Divisors: 1 3 9 13 39 117 210619 631857 1895571 2738047 8214141 24642423