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249112401 = 319103151281
BaseRepresentation
bin11101101100100…
…10011101010001
3122100202012222020
432312102131101
51002233044101
640415202053
76113264136
oct1666223521
9570665866
10249112401
1111868791a
126b516329
133c7c16b5
142512858d
1516d0b136
hexed92751

249112401 has 32 divisors (see below), whose sum is σ = 356628480. Its totient is φ = 154224000.

The previous prime is 249112327. The next prime is 249112403. The reversal of 249112401 is 104211942.

It is not a de Polignac number, because 249112401 - 27 = 249112273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (249112403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 886381 + ... + 886661.

It is an arithmetic number, because the mean of its divisors is an integer number (11144640).

Almost surely, 2249112401 is an apocalyptic number.

It is an amenable number.

249112401 is a deficient number, since it is larger than the sum of its proper divisors (107516079).

249112401 is a wasteful number, since it uses less digits than its factorization.

249112401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 249112401 is about 15783.2949981935. The cubic root of 249112401 is about 629.2141044438.

The spelling of 249112401 in words is "two hundred forty-nine million, one hundred twelve thousand, four hundred one".

Divisors: 1 3 19 57 103 151 281 309 453 843 1957 2869 5339 5871 8607 15553 16017 28943 42431 46659 86829 127293 295507 549917 806189 886521 1649751 2418567 4370393 13111179 83037467 249112401