Base | Representation |
---|---|
bin | 110000000101… |
… | …1111010100110 |
3 | 1202110000222012 |
4 | 1200023322212 |
5 | 22423332010 |
6 | 2300234222 |
7 | 424215020 |
oct | 140137246 |
9 | 52400865 |
10 | 25214630 |
11 | 13262141 |
12 | 853b972 |
13 | 52baacc |
14 | 34c5010 |
15 | 2331005 |
hex | 180bea6 |
25214630 has 32 divisors (see below), whose sum is σ = 53663040. Its totient is φ = 8346240.
The previous prime is 25214617. The next prime is 25214669. The reversal of 25214630 is 3641252.
It is a junction number, because it is equal to n+sod(n) for n = 25214596 and 25214605.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4181 + ... + 8240.
It is an arithmetic number, because the mean of its divisors is an integer number (1676970).
Almost surely, 225214630 is an apocalyptic number.
25214630 is an abundant number, since it is smaller than the sum of its proper divisors (28448410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25214630 is a wasteful number, since it uses less digits than its factorization.
25214630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12464.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 25214630 is about 5021.4171306515. The cubic root of 25214630 is about 293.2361664510.
Adding to 25214630 its reverse (3641252), we get a palindrome (28855882).
The spelling of 25214630 in words is "twenty-five million, two hundred fourteen thousand, six hundred thirty".
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