Base | Representation |
---|---|
bin | 100100100010011… |
… | …0001111110111010 |
3 | 10011102220202012210 |
4 | 1021010301332322 |
5 | 10002323140244 |
6 | 321353115550 |
7 | 42244513041 |
oct | 11104617672 |
9 | 3142822183 |
10 | 1225990074 |
11 | 57a048541 |
12 | 2a26b8bb6 |
13 | 166cc421a |
14 | b8b77558 |
15 | 729714b9 |
hex | 49131fba |
1225990074 has 16 divisors (see below), whose sum is σ = 2460709440. Its totient is φ = 407208480.
The previous prime is 1225990043. The next prime is 1225990097. The reversal of 1225990074 is 4700995221.
1225990074 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
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, 361894 + ... + 365265.
It is an arithmetic number, because the mean of its divisors is an integer number (153794340).
Almost surely, 21225990074 is an apocalyptic number.
1225990074 is an abundant number, since it is smaller than the sum of its proper divisors (1234719366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1225990074 is a wasteful number, since it uses less digits than its factorization.
1225990074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 727445.
The product of its (nonzero) digits is 45360, while the sum is 39.
The square root of 1225990074 is about 35014.1410575784. The cubic root of 1225990074 is about 1070.2756660103.
The spelling of 1225990074 in words is "one billion, two hundred twenty-five million, nine hundred ninety thousand, seventy-four".
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