Base | Representation |
---|---|
bin | 101011011100001… |
… | …1010101110001010 |
3 | 10202120210021120122 |
4 | 1112320122232022 |
5 | 10441123130330 |
6 | 400350023242 |
7 | 51056436260 |
oct | 12670325612 |
9 | 3676707518 |
10 | 1457630090 |
11 | 688881074 |
12 | 3481a7b22 |
13 | 1a2ca8b17 |
14 | db834430 |
15 | 87e7a5e5 |
hex | 56e1ab8a |
1457630090 has 16 divisors (see below), whose sum is σ = 2998553472. Its totient is φ = 499758864.
The previous prime is 1457630089. The next prime is 1457630093. The reversal of 1457630090 is 900367541.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a self number, because there is not a number n which added to its sum of digits gives 1457630090.
It is not an unprimeable number, because it can be changed into a prime (1457630093) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10411574 + ... + 10411713.
It is an arithmetic number, because the mean of its divisors is an integer number (187409592).
Almost surely, 21457630090 is an apocalyptic number.
1457630090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1457630090 is an abundant number, since it is smaller than the sum of its proper divisors (1540923382).
1457630090 is a wasteful number, since it uses less digits than its factorization.
1457630090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20823301.
The product of its (nonzero) digits is 22680, while the sum is 35.
The square root of 1457630090 is about 38178.9220644062. The cubic root of 1457630090 is about 1133.8330402108.
The spelling of 1457630090 in words is "one billion, four hundred fifty-seven million, six hundred thirty thousand, ninety".
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