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387085255 = 5711090381
BaseRepresentation
bin10111000100100…
…111001111000111
3222222100222010221
4113010213033013
51243043212010
6102224325211
712410112304
oct2704471707
9888328127
10387085255
11189554977
12a9773807
136226c13b
14395a20ab
1523eb1dda
hex171273c7

387085255 has 8 divisors (see below), whose sum is σ = 471045024. Its totient is φ = 305306400.

The previous prime is 387085133. The next prime is 387085261. The reversal of 387085255 is 552580783.

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

It is not a de Polignac number, because 387085255 - 29 = 387084743 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 544836 + ... + 545545.

It is an arithmetic number, because the mean of its divisors is an integer number (58880628).

Almost surely, 2387085255 is an apocalyptic number.

387085255 is a deficient number, since it is larger than the sum of its proper divisors (83959769).

387085255 is a wasteful number, since it uses less digits than its factorization.

387085255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090457.

The product of its (nonzero) digits is 336000, while the sum is 43.

The square root of 387085255 is about 19674.4823311822. The cubic root of 387085255 is about 728.7896720182.

The spelling of 387085255 in words is "three hundred eighty-seven million, eighty-five thousand, two hundred fifty-five".

Divisors: 1 5 71 355 1090381 5451905 77417051 387085255