Base | Representation |
---|---|
bin | 11111010011110001000 |
3 | 1221010022100 |
4 | 3322132020 |
5 | 230312203 |
6 | 33553400 |
7 | 11502021 |
oct | 3723610 |
9 | 1833270 |
10 | 1025928 |
11 | 640882 |
12 | 415860 |
13 | 29bc77 |
14 | 1c9c48 |
15 | 153ea3 |
hex | fa788 |
1025928 has 24 divisors (see below), whose sum is σ = 2778750. Its totient is φ = 341952.
The previous prime is 1025917. The next prime is 1025929. The reversal of 1025928 is 8295201.
It can be written as a sum of positive squares in only one way, i.e., 777924 + 248004 = 882^2 + 498^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a super-2 number, since 2×10259282 = 2105056522368, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1025929) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7053 + ... + 7196.
21025928 is an apocalyptic number.
1025928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1025928 is an abundant number, since it is smaller than the sum of its proper divisors (1752822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1025928 is a wasteful number, since it uses less digits than its factorization.
1025928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14261 (or 14254 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 1025928 is about 1012.8810394118. The cubic root of 1025928 is about 100.8569028678.
It can be divided in two parts, 1025 and 928, that added together give a triangular number (1953 = T62).
The spelling of 1025928 in words is "one million, twenty-five thousand, nine hundred twenty-eight".
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