Base | Representation |
---|---|
bin | 111001010111101… |
… | …1000010110011000 |
3 | 11222011021022021220 |
4 | 1302233120112120 |
5 | 12420301220003 |
6 | 515003532040 |
7 | 65463266220 |
oct | 16257302630 |
9 | 4864238256 |
10 | 1925023128 |
11 | 8a8697406 |
12 | 45882a020 |
13 | 248a85452 |
14 | 14393d080 |
15 | b4002353 |
hex | 72bd8598 |
1925023128 has 32 divisors (see below), whose sum is σ = 5500066560. Its totient is φ = 550006560.
The previous prime is 1925023081. The next prime is 1925023153. The reversal of 1925023128 is 8213205291.
It is a happy number.
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, 5729068 + ... + 5729403.
It is an arithmetic number, because the mean of its divisors is an integer number (171877080).
Almost surely, 21925023128 is an apocalyptic number.
It is an amenable number.
1925023128 is an abundant number, since it is smaller than the sum of its proper divisors (3575043432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1925023128 is a wasteful number, since it uses less digits than its factorization.
1925023128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11458487 (or 11458483 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 1925023128 is about 43875.0855041902. The cubic root of 1925023128 is about 1243.9759492598.
The spelling of 1925023128 in words is "one billion, nine hundred twenty-five million, twenty-three thousand, one hundred twenty-eight".
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