Base | Representation |
---|---|
bin | 11100111101111… |
… | …00101000111101 |
3 | 121221020100201121 |
4 | 32132330220331 |
5 | 444201244400 |
6 | 40040110541 |
7 | 6010261342 |
oct | 1636745075 |
9 | 557210647 |
10 | 242993725 |
11 | 115188867 |
12 | 69465451 |
13 | 3b45b690 |
14 | 243b47c9 |
15 | 164ed21a |
hex | e7bca3d |
242993725 has 12 divisors (see below), whose sum is σ = 324490516. Its totient is φ = 179441280.
The previous prime is 242993701. The next prime is 242993759. The reversal of 242993725 is 527399242.
It can be written as a sum of positive squares in 6 ways, for example, as 29746116 + 213247609 = 5454^2 + 14603^2 .
It is not a de Polignac number, because 242993725 - 29 = 242993213 is a prime.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373512 + ... + 374161.
Almost surely, 2242993725 is an apocalyptic number.
242993725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
242993725 is a deficient number, since it is larger than the sum of its proper divisors (81496791).
242993725 is a wasteful number, since it uses less digits than its factorization.
242993725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 747696 (or 747691 counting only the distinct ones).
The product of its digits is 272160, while the sum is 43.
The square root of 242993725 is about 15588.2559961017. The cubic root of 242993725 is about 624.0197754595.
The spelling of 242993725 in words is "two hundred forty-two million, nine hundred ninety-three thousand, seven hundred twenty-five".
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