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24972194 = 2131950551
BaseRepresentation
bin101111101000…
…0101110100010
31201222201102002
41133100232202
522343102234
62251124002
7422155142
oct137205642
951881362
1024972194
1113106a85
128443602
135234660
143460922
1522d427e
hex17d0ba2

24972194 has 16 divisors (see below), whose sum is σ = 42463680. Its totient is φ = 10918800.

The previous prime is 24972193. The next prime is 24972197. The reversal of 24972194 is 49127942.

It is a super-2 number, since 2×249721942 = 1247220946347272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (24972193) 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 7 ways as a sum of consecutive naturals, for example, 24782 + ... + 25769.

It is an arithmetic number, because the mean of its divisors is an integer number (2653980).

Almost surely, 224972194 is an apocalyptic number.

24972194 is a deficient number, since it is larger than the sum of its proper divisors (17491486).

24972194 is a wasteful number, since it uses less digits than its factorization.

24972194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50585.

The product of its digits is 36288, while the sum is 38.

The square root of 24972194 is about 4997.2186263961. The cubic root of 24972194 is about 292.2933266219.

The spelling of 24972194 in words is "twenty-four million, nine hundred seventy-two thousand, one hundred ninety-four".

Divisors: 1 2 13 19 26 38 247 494 50551 101102 657163 960469 1314326 1920938 12486097 24972194