Base | Representation |
---|---|
bin | 1101110001111110… |
… | …10110000000000001 |
3 | 201002121201211001211 |
4 | 12320333112000001 |
5 | 110123014031400 |
6 | 3222053130121 |
7 | 351225615511 |
oct | 67077260001 |
9 | 21077654054 |
10 | 7398580225 |
11 | 315733a913 |
12 | 1525929941 |
13 | 90ba6b22a |
14 | 502871841 |
15 | 2d47ebdba |
hex | 1b8fd6001 |
7398580225 has 9 divisors (see below), whose sum is σ = 9174772803. Its totient is φ = 5918520120.
The previous prime is 7398580207. The next prime is 7398580307. The reversal of 7398580225 is 5220858937.
The square root of 7398580225 is 86015.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 2663488881 + 4735091344 = 51609^2 + 68812^2 .
It is not a de Polignac number, because 7398580225 - 27 = 7398580097 is a prime.
It is a super-2 number, since 2×73985802252 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 421474 + ... + 438676.
Almost surely, 27398580225 is an apocalyptic number.
7398580225 is the 86015-th square number.
7398580225 is the 43008-th centered octagonal number.
It is an amenable number.
7398580225 is a deficient number, since it is larger than the sum of its proper divisors (1776192578).
7398580225 is an frugal number, since it uses more digits than its factorization.
7398580225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34416 (or 17208 counting only the distinct ones).
The product of its (nonzero) digits is 1209600, while the sum is 49.
The cubic root of 7398580225 is about 1948.5705258867.
Multiplying 7398580225 by its sum of digits (49), we get a square (362530431025 = 6021052).
The spelling of 7398580225 in words is "seven billion, three hundred ninety-eight million, five hundred eighty thousand, two hundred twenty-five".
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