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249355153 = 4123925447
BaseRepresentation
bin11101101110011…
…01101110010001
3122101012112222001
432313031232101
51002313331103
640424314001
76115324645
oct1667155621
9571175861
10249355153
11118833243
126b612901
133c878038
142518cc25
1516d5801d
hexedcdb91

249355153 has 8 divisors (see below), whose sum is σ = 256515840. Its totient is φ = 242245920.

The previous prime is 249355147. The next prime is 249355177. The reversal of 249355153 is 351553942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-249355153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249355553) by changing a digit.

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, 2925 + ... + 22522.

It is an arithmetic number, because the mean of its divisors is an integer number (32064480).

Almost surely, 2249355153 is an apocalyptic number.

It is an amenable number.

249355153 is a deficient number, since it is larger than the sum of its proper divisors (7160687).

249355153 is a wasteful number, since it uses less digits than its factorization.

249355153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25727.

The product of its digits is 81000, while the sum is 37.

The square root of 249355153 is about 15790.9832816073. The cubic root of 249355153 is about 629.4184210416.

The spelling of 249355153 in words is "two hundred forty-nine million, three hundred fifty-five thousand, one hundred fifty-three".

Divisors: 1 41 239 9799 25447 1043327 6081833 249355153