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249412260 = 22354156871
BaseRepresentation
bin11101101110110…
…11101010100100
3122101022110022010
432313123222210
51002322143020
640425434220
76115653306
oct1667335244
9571273263
10249412260
11118872139
126b63b970
133c898026
14251a5976
1516d69de0
hexeddbaa4

249412260 has 24 divisors (see below), whose sum is σ = 698354496. Its totient is φ = 66509920.

The previous prime is 249412249. The next prime is 249412271. The reversal of 249412260 is 62214942.

249412260 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (249412249) and next prime (249412271).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 16.

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, 2078376 + ... + 2078495.

It is an arithmetic number, because the mean of its divisors is an integer number (29098104).

Almost surely, 2249412260 is an apocalyptic number.

249412260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

249412260 is an abundant number, since it is smaller than the sum of its proper divisors (448942236).

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

249412260 is a wasteful number, since it uses less digits than its factorization.

249412260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156883 (or 4156881 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 249412260 is about 15792.7913935441. The cubic root of 249412260 is about 629.4664669095.

The spelling of 249412260 in words is "two hundred forty-nine million, four hundred twelve thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 4156871 8313742 12470613 16627484 20784355 24941226 41568710 49882452 62353065 83137420 124706130 249412260