| Base | Representation |
|---|---|
| bin | 111010101101100… |
| … | …0011111011000001 |
| 3 | 12002021221210200100 |
| 4 | 1311123003323001 |
| 5 | 13013311400400 |
| 6 | 523252313013 |
| 7 | 66550651344 |
| oct | 16533037301 |
| 9 | 5067853610 |
| 10 | 1970028225 |
| 11 | 921036400 |
| 12 | 46b912769 |
| 13 | 2551b2199 |
| 14 | 1498d645b |
| 15 | b7e42100 |
| hex | 756c3ec1 |
1970028225 has 81 divisors (see below), whose sum is σ = 3892948969. Its totient is φ = 951614400.
The previous prime is 1970028211. The next prime is 1970028239. The reversal of 1970028225 is 5228200791.
The square root of 1970028225 is 44385.
It is a perfect power (a square), and thus also a powerful number.
It is an interprime number because it is at equal distance from previous prime (1970028211) and next prime (1970028239).
It can be written as a sum of positive squares in 4 ways, for example, as 755645121 + 1214383104 = 27489^2 + 34848^2 .
It is not a de Polignac number, because 1970028225 - 27 = 1970028097 is a prime.
It is a super-2 number, since 2×19700282252 = 7762022414593301250, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1970028225.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 7323391 + ... + 7323659.
Almost surely, 21970028225 is an apocalyptic number.
1970028225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1970028225 is the 44385-th square number.
1970028225 is the 22193-rd centered octagonal number.
It is an amenable number.
1970028225 is a deficient number, since it is larger than the sum of its proper divisors (1922920744).
1970028225 is a wasteful number, since it uses less digits than its factorization.
1970028225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 576 (or 288 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The cubic root of 1970028225 is about 1253.5956683512.
Multiplying 1970028225 by its sum of digits (36), we get a square (70921016100 = 2663102).
The spelling of 1970028225 in words is "one billion, nine hundred seventy million, twenty-eight thousand, two hundred twenty-five".
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