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830151258 = 23227609509
BaseRepresentation
bin110001011110110…
…001101001011010
32010212002001102220
4301132301221122
53200004320013
6214213004510
726400112026
oct6136615132
92125061386
10830151258
11396664a22
121b2023736
13102cab981
147c377386
154cd30b23
hex317b1a5a

830151258 has 16 divisors (see below), whose sum is σ = 1667619360. Its totient is φ = 275497616.

The previous prime is 830151253. The next prime is 830151281. The reversal of 830151258 is 852151038.

It is a happy number.

It is a super-2 number, since 2×8301512582 = 1378302222317965128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (830151253) 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, 303393 + ... + 306116.

It is an arithmetic number, because the mean of its divisors is an integer number (104226210).

Almost surely, 2830151258 is an apocalyptic number.

830151258 is an abundant number, since it is smaller than the sum of its proper divisors (837468102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

830151258 is a wasteful number, since it uses less digits than its factorization.

830151258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609741.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 830151258 is about 28812.3455831003. The cubic root of 830151258 is about 939.8367220552.

The spelling of 830151258 in words is "eight hundred thirty million, one hundred fifty-one thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 227 454 681 1362 609509 1219018 1828527 3657054 138358543 276717086 415075629 830151258