Base | Representation |
---|---|
bin | 100000011111111… |
… | …110010001001110 |
3 | 1101222222200201110 |
4 | 200133332101032 |
5 | 2104041034210 |
6 | 130034352450 |
7 | 16340366142 |
oct | 4037762116 |
9 | 1358880643 |
10 | 545252430 |
11 | 25a865248 |
12 | 13272b726 |
13 | 88c6a598 |
14 | 525b5222 |
15 | 32d06420 |
hex | 207fe44e |
545252430 has 16 divisors (see below), whose sum is σ = 1308605904. Its totient is φ = 145400640.
The previous prime is 545252401. The next prime is 545252479. The reversal of 545252430 is 34252545.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 18175081 = 545252430 / (5 + 4 + 5 + 2 + 5 + 2 + 4 + 3 + 0).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9087511 + ... + 9087570.
It is an arithmetic number, because the mean of its divisors is an integer number (81787869).
Almost surely, 2545252430 is an apocalyptic number.
545252430 is an abundant number, since it is smaller than the sum of its proper divisors (763353474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
545252430 is a wasteful number, since it uses less digits than its factorization.
545252430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18175091.
The product of its (nonzero) digits is 24000, while the sum is 30.
The square root of 545252430 is about 23350.6408905623. The cubic root of 545252430 is about 816.9570092641.
The spelling of 545252430 in words is "five hundred forty-five million, two hundred fifty-two thousand, four hundred thirty".
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