Base | Representation |
---|---|
bin | 110111010111001… |
… | …101100101010110 |
3 | 2101201202112201220 |
4 | 313113031211112 |
5 | 3400240104310 |
6 | 232100031210 |
7 | 32005640343 |
oct | 6727154526 |
9 | 2351675656 |
10 | 928831830 |
11 | 437335113 |
12 | 21b092506 |
13 | 11a57ca44 |
14 | 8b5037ca |
15 | 56824670 |
hex | 375cd956 |
928831830 has 16 divisors (see below), whose sum is σ = 2229196464. Its totient is φ = 247688480.
The previous prime is 928831817. The next prime is 928831843. The reversal of 928831830 is 38138829.
It is an interprime number because it is at equal distance from previous prime (928831817) and next prime (928831843).
It is a super-2 number, since 2×9288318302 = 1725457136842297800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15480501 + ... + 15480560.
It is an arithmetic number, because the mean of its divisors is an integer number (139324779).
Almost surely, 2928831830 is an apocalyptic number.
928831830 is an abundant number, since it is smaller than the sum of its proper divisors (1300364634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
928831830 is a wasteful number, since it uses less digits than its factorization.
928831830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30961071.
The product of its (nonzero) digits is 82944, while the sum is 42.
The square root of 928831830 is about 30476.7424440343. The cubic root of 928831830 is about 975.6911444064.
The spelling of 928831830 in words is "nine hundred twenty-eight million, eight hundred thirty-one thousand, eight hundred thirty".
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