Base | Representation |
---|---|
bin | 111110000111101… |
… | …110010010111001 |
3 | 2200122002212010101 |
4 | 332013232102321 |
5 | 4113301241100 |
6 | 251230115401 |
7 | 34553441011 |
oct | 7607562271 |
9 | 2618085111 |
10 | 1042212025 |
11 | 495335358 |
12 | 25104bb61 |
13 | 137bc980a |
14 | 9c5b8c41 |
15 | 6176d86a |
hex | 3e1ee4b9 |
1042212025 has 6 divisors (see below), whose sum is σ = 1292342942. Its totient is φ = 833769600.
The previous prime is 1042212007. The next prime is 1042212037. The reversal of 1042212025 is 5202122401.
It can be written as a sum of positive squares in 3 ways, for example, as 20259001 + 1021953024 = 4501^2 + 31968^2 .
It is not a de Polignac number, because 1042212025 - 27 = 1042211897 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1042211993 and 1042212011.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20844216 + ... + 20844265.
Almost surely, 21042212025 is an apocalyptic number.
It is an amenable number.
1042212025 is a deficient number, since it is larger than the sum of its proper divisors (250130917).
1042212025 is an equidigital number, since it uses as much as digits as its factorization.
1042212025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41688491 (or 41688486 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 19.
The square root of 1042212025 is about 32283.3087678447. The cubic root of 1042212025 is about 1013.8772073076.
Adding to 1042212025 its reverse (5202122401), we get a palindrome (6244334426).
The spelling of 1042212025 in words is "one billion, forty-two million, two hundred twelve thousand, twenty-five".
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