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24920272 = 2413119809
BaseRepresentation
bin101111100010…
…0000011010000
31201220002012001
41133010003100
522334422042
62250043344
7421550566
oct137040320
951802161
1024920272
1113080a73
128419554
135216b30
143449a36
1522c3bb7
hex17c40d0

24920272 has 20 divisors (see below), whose sum is σ = 51997540. Its totient is φ = 11501568.

The previous prime is 24920257. The next prime is 24920279. The reversal of 24920272 is 27202942.

It can be written as a sum of positive squares in 2 ways, for example, as 15335056 + 9585216 = 3916^2 + 3096^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 24920272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24920279) 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, 59697 + ... + 60112.

It is an arithmetic number, because the mean of its divisors is an integer number (2599877).

Almost surely, 224920272 is an apocalyptic number.

It is an amenable number.

24920272 is an abundant number, since it is smaller than the sum of its proper divisors (27077268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24920272 is a wasteful number, since it uses less digits than its factorization.

24920272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119830 (or 119824 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 24920272 is about 4992.0208332899. The cubic root of 24920272 is about 292.0906080232.

The spelling of 24920272 in words is "twenty-four million, nine hundred twenty thousand, two hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 119809 239618 479236 958472 1557517 1916944 3115034 6230068 12460136 24920272