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830199357 = 321319373459
BaseRepresentation
bin110001011110111…
…101011000111101
32010212011111102100
4301132331120331
53200012334412
6214214015313
726400402201
oct6136753075
92125144370
10830199357
11396698079
121b2047539
13102cc7830
147c38ab01
154cd3eedc
hex317bd63d

830199357 has 24 divisors (see below), whose sum is σ = 1359394400. Its totient is φ = 484001568.

The previous prime is 830199353. The next prime is 830199371. The reversal of 830199357 is 753991038.

It is a happy number.

It is not a de Polignac number, because 830199357 - 22 = 830199353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830199353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184507 + ... + 188952.

Almost surely, 2830199357 is an apocalyptic number.

It is an amenable number.

830199357 is a deficient number, since it is larger than the sum of its proper divisors (529195043).

830199357 is a wasteful number, since it uses less digits than its factorization.

830199357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373497 (or 373494 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 830199357 is about 28813.1802652883. The cubic root of 830199357 is about 939.8548730982.

The spelling of 830199357 in words is "eight hundred thirty million, one hundred ninety-nine thousand, three hundred fifty-seven".

Divisors: 1 3 9 13 19 39 57 117 171 247 741 2223 373459 1120377 3361131 4854967 7095721 14564901 21287163 43694703 63861489 92244373 276733119 830199357