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4027890257 = 17880726903
BaseRepresentation
bin1111000000010100…
…1011101001010001
3101101201012000200122
43300011023221101
531222114442012
61503403400025
7201546334166
oct36005135121
911351160618
104027890257
111787703626
12944b23015
134c2638321
142a2d3406d
15188933e72
hexf014ba51

4027890257 has 8 divisors (see below), whose sum is σ = 4265467776. Its totient is φ = 3790384192.

The previous prime is 4027890247. The next prime is 4027890277. The reversal of 4027890257 is 7520987204.

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

It is not a de Polignac number, because 4027890257 - 26 = 4027890193 is a prime.

It is a super-3 number, since 3×40278902573 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4027890247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136268 + ... + 163170.

It is an arithmetic number, because the mean of its divisors is an integer number (533183472).

Almost surely, 24027890257 is an apocalyptic number.

It is an amenable number.

4027890257 is a deficient number, since it is larger than the sum of its proper divisors (237577519).

4027890257 is a wasteful number, since it uses less digits than its factorization.

4027890257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35727.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 4027890257 is about 63465.6620307391. The cubic root of 4027890257 is about 1591.0819287364.

The spelling of 4027890257 in words is "four billion, twenty-seven million, eight hundred ninety thousand, two hundred fifty-seven".

Divisors: 1 17 8807 26903 149719 457351 236934721 4027890257