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270055893 = 31092812939
BaseRepresentation
bin10000000110001…
…011100111010101
3200211011021001010
4100012023213111
51023113242033
642444122433
76456302652
oct2006134725
9624137033
10270055893
11129491a98
1276536419
1343c453b3
1427c1ac29
1518a96863
hex1018b9d5

270055893 has 16 divisors (see below), whose sum is σ = 364795200. Its totient is φ = 177690240.

The previous prime is 270055879. The next prime is 270055913. The reversal of 270055893 is 398550072.

It is not a de Polignac number, because 270055893 - 29 = 270055381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270055393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90418 + ... + 93356.

It is an arithmetic number, because the mean of its divisors is an integer number (22799700).

Almost surely, 2270055893 is an apocalyptic number.

It is an amenable number.

270055893 is a deficient number, since it is larger than the sum of its proper divisors (94739307).

270055893 is a wasteful number, since it uses less digits than its factorization.

270055893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 270055893 is about 16433.3774069727. The cubic root of 270055893 is about 646.3750031243.

The spelling of 270055893 in words is "two hundred seventy million, fifty-five thousand, eight hundred ninety-three".

Divisors: 1 3 109 281 327 843 2939 8817 30629 91887 320351 825859 961053 2477577 90018631 270055893