Base | Representation |
---|---|
bin | 111101011111000… |
… | …011110010000010 |
3 | 2122220001021111110 |
4 | 331133003302002 |
5 | 4103034132010 |
6 | 250205424150 |
7 | 34364022420 |
oct | 7537036202 |
9 | 2586037443 |
10 | 1031552130 |
11 | 48a314424 |
12 | 24956b056 |
13 | 13593679b |
14 | 9b002110 |
15 | 60865120 |
hex | 3d7c3c82 |
1031552130 has 64 divisors (see below), whose sum is σ = 2832629760. Its totient is φ = 235514304.
The previous prime is 1031552101. The next prime is 1031552141. The reversal of 1031552130 is 312551301.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1031552097 and 1031552106.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226011 + ... + 230529.
It is an arithmetic number, because the mean of its divisors is an integer number (44259840).
Almost surely, 21031552130 is an apocalyptic number.
1031552130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1031552130 is an abundant number, since it is smaller than the sum of its proper divisors (1801077630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031552130 is a wasteful number, since it uses less digits than its factorization.
1031552130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5623.
The product of its (nonzero) digits is 450, while the sum is 21.
The square root of 1031552130 is about 32117.7852598837. The cubic root of 1031552130 is about 1010.4086605598.
The spelling of 1031552130 in words is "one billion, thirty-one million, five hundred fifty-two thousand, one hundred thirty".
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