Base | Representation |
---|---|
bin | 101011011011000… |
… | …0001010011111101 |
3 | 10202112121100121212 |
4 | 1112312001103331 |
5 | 10440443023400 |
6 | 400324334205 |
7 | 51051211304 |
oct | 12666012375 |
9 | 3675540555 |
10 | 1457001725 |
11 | 688491a63 |
12 | 347b44365 |
13 | 1a2b18aca |
14 | db70d43b |
15 | 87da4335 |
hex | 56d814fd |
1457001725 has 12 divisors (see below), whose sum is σ = 1855512564. Its totient is φ = 1134097920.
The previous prime is 1457001703. The next prime is 1457001727. The reversal of 1457001725 is 5271007541.
It can be written as a sum of positive squares in 6 ways, for example, as 19909444 + 1437092281 = 4462^2 + 37909^2 .
It is a de Polignac number, because none of the positive numbers 2k-1457001725 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1457001691 and 1457001700.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1457001727) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 786644 + ... + 788493.
It is an arithmetic number, because the mean of its divisors is an integer number (154626047).
Almost surely, 21457001725 is an apocalyptic number.
It is an amenable number.
1457001725 is a deficient number, since it is larger than the sum of its proper divisors (398510839).
1457001725 is a wasteful number, since it uses less digits than its factorization.
1457001725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1575184 (or 1575179 counting only the distinct ones).
The product of its (nonzero) digits is 9800, while the sum is 32.
The square root of 1457001725 is about 38170.6919638615. The cubic root of 1457001725 is about 1133.6700899979.
The spelling of 1457001725 in words is "one billion, four hundred fifty-seven million, one thousand, seven hundred twenty-five".
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