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24972394 = 261320369
BaseRepresentation
bin101111101000…
…0110001101010
31201222201200111
41133100301222
522343104034
62251124534
7422155546
oct137206152
951881614
1024972394
1113107147
12844374a
135234785
143460a26
1522d4364
hex17d0c6a

24972394 has 8 divisors (see below), whose sum is σ = 37521540. Its totient is φ = 12465216.

The previous prime is 24972383. The next prime is 24972397. The reversal of 24972394 is 49327942.

It can be written as a sum of positive squares in 2 ways, for example, as 23377225 + 1595169 = 4835^2 + 1263^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (24972397) 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 3 ways as a sum of consecutive naturals, for example, 8959 + ... + 11410.

Almost surely, 224972394 is an apocalyptic number.

24972394 is a deficient number, since it is larger than the sum of its proper divisors (12549146).

24972394 is a wasteful number, since it uses less digits than its factorization.

24972394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20984.

The product of its digits is 108864, while the sum is 40.

The square root of 24972394 is about 4997.2386374877. The cubic root of 24972394 is about 292.2941069366.

The spelling of 24972394 in words is "twenty-four million, nine hundred seventy-two thousand, three hundred ninety-four".

Divisors: 1 2 613 1226 20369 40738 12486197 24972394