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24942893 = 171467229
BaseRepresentation
bin101111100100…
…1100100101101
31201221020012212
41133021210231
522341133033
62250340205
7422003543
oct137114455
951836185
1024942893
1113096a68
12842a665
135224211
143453d93
1522ca748
hex17c992d

24942893 has 4 divisors (see below), whose sum is σ = 26410140. Its totient is φ = 23475648.

The previous prime is 24942889. The next prime is 24942901. The reversal of 24942893 is 39824942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20994724 + 3948169 = 4582^2 + 1987^2 .

It is a cyclic number.

It is not a de Polignac number, because 24942893 - 22 = 24942889 is a prime.

It is a super-2 number, since 2×249428932 = 1244295822418898, which contains 22 as substring.

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 24942893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24942823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733598 + ... + 733631.

It is an arithmetic number, because the mean of its divisors is an integer number (6602535).

Almost surely, 224942893 is an apocalyptic number.

It is an amenable number.

24942893 is a deficient number, since it is larger than the sum of its proper divisors (1467247).

24942893 is a wasteful number, since it uses less digits than its factorization.

24942893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467246.

The product of its digits is 124416, while the sum is 41.

The square root of 24942893 is about 4994.2860350605. The cubic root of 24942893 is about 292.1789615719.

The spelling of 24942893 in words is "twenty-four million, nine hundred forty-two thousand, eight hundred ninety-three".

Divisors: 1 17 1467229 24942893