Base | Representation |
---|---|
bin | 100100101011000… |
… | …0101010000110100 |
3 | 10011202110011122020 |
4 | 1021112011100310 |
5 | 10010003303432 |
6 | 322034233140 |
7 | 42331202610 |
oct | 11126052064 |
9 | 3152404566 |
10 | 1230525492 |
11 | 581666019 |
12 | 2a41257b0 |
13 | 167c216c1 |
14 | b95d8340 |
15 | 7306a22c |
hex | 49585434 |
1230525492 has 48 divisors (see below), whose sum is σ = 3294531072. Its totient is φ = 350172000.
The previous prime is 1230525487. The next prime is 1230525533. The reversal of 1230525492 is 2945250321.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8098 + ... + 50265.
It is an arithmetic number, because the mean of its divisors is an integer number (68636064).
Almost surely, 21230525492 is an apocalyptic number.
1230525492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1230525492 is an abundant number, since it is smaller than the sum of its proper divisors (2064005580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230525492 is a wasteful number, since it uses less digits than its factorization.
1230525492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58628 (or 58626 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 33.
The square root of 1230525492 is about 35078.8467883424. The cubic root of 1230525492 is about 1071.5938316564.
The spelling of 1230525492 in words is "one billion, two hundred thirty million, five hundred twenty-five thousand, four hundred ninety-two".
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