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831950208 = 27326111839
BaseRepresentation
bin110001100101101…
…000110110000000
32010222110110010200
4301211220312000
53200434401313
6214315325200
726421313545
oct6145506600
92128413120
10831950208
11397683561
121b2750800
1310348b73b
147c6c4bcc
154d088b73
hex31968d80

831950208 has 96 divisors (see below), whose sum is σ = 2433475200. Its totient is φ = 272747520.

The previous prime is 831950201. The next prime is 831950213. The reversal of 831950208 is 802059138.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×8319502082 = 1384282297182486528, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831950201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64353 + ... + 76191.

It is an arithmetic number, because the mean of its divisors is an integer number (25348700).

Almost surely, 2831950208 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 831950208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1216737600).

831950208 is an abundant number, since it is smaller than the sum of its proper divisors (1601524992).

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

831950208 is a wasteful number, since it uses less digits than its factorization.

831950208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11920 (or 11905 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 831950208 is about 28843.5470772927. The cubic root of 831950208 is about 940.5151122690.

The spelling of 831950208 in words is "eight hundred thirty-one million, nine hundred fifty thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 61 64 72 96 122 128 144 183 192 244 288 366 384 488 549 576 732 976 1098 1152 1464 1952 2196 2928 3904 4392 5856 7808 8784 11712 11839 17568 23424 23678 35136 35517 47356 70272 71034 94712 106551 142068 189424 213102 284136 378848 426204 568272 722179 757696 852408 1136544 1444358 1515392 1704816 2166537 2273088 2888716 3409632 4333074 4546176 5777432 6499611 6819264 8666148 11554864 12999222 13638528 17332296 23109728 25998444 34664592 46219456 51996888 69329184 92438912 103993776 138658368 207987552 277316736 415975104 831950208