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24939085 = 5171811621
BaseRepresentation
bin101111100100…
…0101001001101
31201221000222211
41133020221031
522341022320
62250310421
7421656463
oct137105115
951830884
1024939085
1113094116
128428411
135222572
143452833
1522c955a
hex17c8a4d

24939085 has 16 divisors (see below), whose sum is σ = 31882032. Its totient is φ = 18662400.

The previous prime is 24939071. The next prime is 24939113. The reversal of 24939085 is 58093942.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 367236 + 24571849 = 606^2 + 4957^2 .

It is not a de Polignac number, because 24939085 - 25 = 24939053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14575 + ... + 16195.

It is an arithmetic number, because the mean of its divisors is an integer number (1992627).

Almost surely, 224939085 is an apocalyptic number.

It is an amenable number.

24939085 is a deficient number, since it is larger than the sum of its proper divisors (6942947).

24939085 is a wasteful number, since it uses less digits than its factorization.

24939085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 24939085 is about 4993.9047848352. The cubic root of 24939085 is about 292.1640919507.

The spelling of 24939085 in words is "twenty-four million, nine hundred thirty-nine thousand, eighty-five".

Divisors: 1 5 17 85 181 905 1621 3077 8105 15385 27557 137785 293401 1467005 4987817 24939085