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249248944 = 2472698273
BaseRepresentation
bin11101101101100…
…11110010110000
3122101000011021101
432312303302300
51002301431234
640422134144
76114403210
oct1666636260
9571004241
10249248944
1111877046a
126b581354
133c83b8a9
1425162240
1516d36814
hexedb3cb0

249248944 has 40 divisors (see below), whose sum is σ = 554027040. Its totient is φ = 106411008.

The previous prime is 249248933. The next prime is 249248977. The reversal of 249248944 is 449842942.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 249248894 and 249248903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25992 + ... + 34264.

It is an arithmetic number, because the mean of its divisors is an integer number (13850676).

Almost surely, 2249248944 is an apocalyptic number.

It is an amenable number.

249248944 is an abundant number, since it is smaller than the sum of its proper divisors (304778096).

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

249248944 is a wasteful number, since it uses less digits than its factorization.

249248944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8557 (or 8551 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 249248944 is about 15787.6199599560. The cubic root of 249248944 is about 629.3290446458.

The spelling of 249248944 in words is "two hundred forty-nine million, two hundred forty-eight thousand, nine hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 269 538 1076 1883 2152 3766 4304 7532 8273 15064 16546 30128 33092 57911 66184 115822 132368 231644 463288 926576 2225437 4450874 8901748 15578059 17803496 31156118 35606992 62312236 124624472 249248944