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24630661 = 1189139181
BaseRepresentation
bin101110111110…
…1010110000101
31201100100220201
41131331112011
522301140121
62235530501
7416233336
oct135752605
951310821
1024630661
11129a3420
1282b9a31
135145073
1433b228d
152267e91
hex177d585

24630661 has 16 divisors (see below), whose sum is σ = 27518400. Its totient is φ = 21859200.

The previous prime is 24630611. The next prime is 24630673. The reversal of 24630661 is 16603642.

It is not a de Polignac number, because 24630661 - 29 = 24630149 is a prime.

It is a super-2 number, since 2×246306612 = 1213338922593842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24630601) 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, 135991 + ... + 136171.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 224630661 is an apocalyptic number.

It is an amenable number.

24630661 is a deficient number, since it is larger than the sum of its proper divisors (2887739).

24630661 is a wasteful number, since it uses less digits than its factorization.

24630661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 24630661 is about 4962.9286716615. The cubic root of 24630661 is about 290.9546856535.

The spelling of 24630661 in words is "twenty-four million, six hundred thirty thousand, six hundred sixty-one".

Divisors: 1 11 89 139 181 979 1529 1991 12371 16109 25159 136081 177199 276749 2239151 24630661