Base | Representation |
---|---|
bin | 1101110010010011… |
… | …10000100000010001 |
3 | 201002210212111220221 |
4 | 12321021300200101 |
5 | 110124213411400 |
6 | 3222231433041 |
7 | 351261045631 |
oct | 67111604021 |
9 | 21083774827 |
10 | 7401310225 |
11 | 3158934a11 |
12 | 1526825781 |
13 | 90c4b5a0a |
14 | 502d826c1 |
15 | 2d4b8ac1a |
hex | 1b9270811 |
7401310225 has 6 divisors (see below), whose sum is σ = 9177624710. Its totient is φ = 5921048160.
The previous prime is 7401310219. The next prime is 7401310229. The reversal of 7401310225 is 5220131047.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 595555216 + 6805755009 = 24404^2 + 82497^2 .
It is not a de Polignac number, because 7401310225 - 219 = 7400785937 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 296052409 = 7401310225 / (7 + 4 + 0 + 1 + 3 + 1 + 0 + 2 + 2 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 7401310225.
It is not an unprimeable number, because it can be changed into a prime (7401310229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148026180 + ... + 148026229.
Almost surely, 27401310225 is an apocalyptic number.
It is an amenable number.
7401310225 is a deficient number, since it is larger than the sum of its proper divisors (1776314485).
7401310225 is a wasteful number, since it uses less digits than its factorization.
7401310225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 296052419 (or 296052414 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 25.
The square root of 7401310225 is about 86030.8678614833. The cubic root of 7401310225 is about 1948.8101639081.
The spelling of 7401310225 in words is "seven billion, four hundred one million, three hundred ten thousand, two hundred twenty-five".
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