Base | Representation |
---|---|
bin | 101011011011110… |
… | …1111110001001011 |
3 | 10202120110100020112 |
4 | 1112313233301023 |
5 | 10441102013110 |
6 | 400342144535 |
7 | 51055104323 |
oct | 12667576113 |
9 | 3676410215 |
10 | 1457454155 |
11 | 688770973 |
12 | 34812214b |
13 | 1a2c46a11 |
14 | db7ca283 |
15 | 87e43405 |
hex | 56defc4b |
1457454155 has 16 divisors (see below), whose sum is σ = 1783853280. Its totient is φ = 1142738688.
The previous prime is 1457454137. The next prime is 1457454157. The reversal of 1457454155 is 5514547541.
It is a cyclic number.
It is not a de Polignac number, because 1457454155 - 26 = 1457454091 is a prime.
It is a super-2 number, since 2×14574541552 = 4248345227853528050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1457454157) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305831 + ... + 310559.
It is an arithmetic number, because the mean of its divisors is an integer number (111490830).
Almost surely, 21457454155 is an apocalyptic number.
1457454155 is a deficient number, since it is larger than the sum of its proper divisors (326399125).
1457454155 is a wasteful number, since it uses less digits than its factorization.
1457454155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5950.
The product of its digits is 280000, while the sum is 41.
The square root of 1457454155 is about 38176.6179093958. The cubic root of 1457454155 is about 1133.7874207395.
The spelling of 1457454155 in words is "one billion, four hundred fifty-seven million, four hundred fifty-four thousand, one hundred fifty-five".
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