Base | Representation |
---|---|
bin | 111110000010001… |
… | …111011000100000 |
3 | 2200112101211110200 |
4 | 332002033120200 |
5 | 4112414242223 |
6 | 251135225200 |
7 | 34535303352 |
oct | 7602173040 |
9 | 2615354420 |
10 | 1040774688 |
11 | 494543478 |
12 | 250678200 |
13 | 137815515 |
14 | 9c3230d2 |
15 | 61587a43 |
hex | 3e08f620 |
1040774688 has 54 divisors (see below), whose sum is σ = 2961260757. Its totient is φ = 346742400.
The previous prime is 1040774659. The next prime is 1040774701. The reversal of 1040774688 is 8864770401.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 808151184 + 232623504 = 28428^2 + 15252^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=22812.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 546538 + ... + 548438.
Almost surely, 21040774688 is an apocalyptic number.
1040774688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1040774688 is an abundant number, since it is smaller than the sum of its proper divisors (1920486069).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1040774688 is an frugal number, since it uses more digits than its factorization.
1040774688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3818 (or 1906 counting only the distinct ones).
The product of its (nonzero) digits is 301056, while the sum is 45.
The square root of 1040774688 is about 32261.0397848550. The cubic root of 1040774688 is about 1013.4109062652.
The spelling of 1040774688 in words is "one billion, forty million, seven hundred seventy-four thousand, six hundred eighty-eight".
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