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249424172 = 22197941543
BaseRepresentation
bin11101101110111…
…10100100101100
3122101100001122022
432313132210230
51002323033142
640430005312
76116033114
oct1667364454
9571301568
10249424172
11118880088
126b646838
133c8a058a
14251aa044
1516d6d6d2
hexedde92c

249424172 has 24 divisors (see below), whose sum is σ = 465292800. Its totient is φ = 116649936.

The previous prime is 249424139. The next prime is 249424243. The reversal of 249424172 is 271424942.

249424172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14768 + ... + 26775.

It is an arithmetic number, because the mean of its divisors is an integer number (19387200).

Almost surely, 2249424172 is an apocalyptic number.

It is an amenable number.

249424172 is a deficient number, since it is larger than the sum of its proper divisors (215868628).

249424172 is a wasteful number, since it uses less digits than its factorization.

249424172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41645 (or 41643 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 249424172 is about 15793.1685231305. The cubic root of 249424172 is about 629.4764879154.

The spelling of 249424172 in words is "two hundred forty-nine million, four hundred twenty-four thousand, one hundred seventy-two".

Divisors: 1 2 4 19 38 76 79 158 316 1501 3002 6004 41543 83086 166172 789317 1578634 3157268 3281897 6563794 13127588 62356043 124712086 249424172