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830515356 = 2234111991171
BaseRepresentation
bin110001100000001…
…010100010011100
32010212202112220000
4301200022202130
53200102442411
6214224454300
726403156366
oct6140124234
92125675800
10830515356
11396893530
121b217a390
131030a8608
147c42dd36
154cda3956
hex3180a89c

830515356 has 120 divisors (see below), whose sum is σ = 2382441600. Its totient is φ = 250192800.

The previous prime is 830515321. The next prime is 830515381. The reversal of 830515356 is 653515038.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 830515356.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 708651 + ... + 709821.

It is an arithmetic number, because the mean of its divisors is an integer number (19853680).

Almost surely, 2830515356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 830515356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1191220800).

830515356 is an abundant number, since it is smaller than the sum of its proper divisors (1551926244).

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

830515356 is a wasteful number, since it uses less digits than its factorization.

830515356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 830515356 is about 28818.6633277812. The cubic root of 830515356 is about 939.9741037079.

The spelling of 830515356 in words is "eight hundred thirty million, five hundred fifteen thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 81 99 108 132 162 198 199 297 324 396 398 594 597 796 891 1171 1188 1194 1782 1791 2189 2342 2388 3513 3564 3582 4378 4684 5373 6567 7026 7164 8756 10539 10746 12881 13134 14052 16119 19701 21078 21492 25762 26268 31617 32238 38643 39402 42156 51524 59103 63234 64476 77286 78804 94851 115929 118206 126468 154572 177309 189702 231858 233029 236412 347787 354618 379404 463716 466058 695574 699087 709236 932116 1043361 1391148 1398174 2086722 2097261 2563319 2796348 4173444 4194522 5126638 6291783 7689957 8389044 10253276 12583566 15379914 18875349 23069871 25167132 30759828 37750698 46139742 69209613 75501396 92279484 138419226 207628839 276838452 415257678 830515356