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249545942 = 2435321033
BaseRepresentation
bin11101101111111…
…00010011010110
3122101120020200022
432313330103112
51002340432232
640432345142
76120051122
oct1667742326
9571506608
10249545942
11118953618
126b6a51b2
133c913b29
14251dc582
1516d94812
hexedfc4d6

249545942 has 24 divisors (see below), whose sum is σ = 390765144. Its totient is φ = 119456064.

The previous prime is 249545927. The next prime is 249545951.

249545942 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 249545893 and 249545902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241058 + ... + 242090.

It is an arithmetic number, because the mean of its divisors is an integer number (16281881).

Almost surely, 2249545942 is an apocalyptic number.

249545942 is a deficient number, since it is larger than the sum of its proper divisors (141219202).

249545942 is a wasteful number, since it uses less digits than its factorization.

249545942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184 (or 1131 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The square root of 249545942 is about 15797.0232005907. The cubic root of 249545942 is about 629.5789089984.

The spelling of 249545942 in words is "two hundred forty-nine million, five hundred forty-five thousand, nine hundred forty-two".

Divisors: 1 2 43 53 86 106 1033 2066 2279 2809 4558 5618 44419 54749 88838 109498 120787 241574 2354207 2901697 4708414 5803394 124772971 249545942