Base | Representation |
---|---|
bin | 11011001000001… |
… | …110110010000010 |
3 | 1011201102122011202 |
4 | 123020032302002 |
5 | 1413004030110 |
6 | 113055141202 |
7 | 14164435103 |
oct | 3310166202 |
9 | 1151378152 |
10 | 455142530 |
11 | 213a09357 |
12 | 108514802 |
13 | 733aa60b |
14 | 4463a3aa |
15 | 29e570a5 |
hex | 1b20ec82 |
455142530 has 128 divisors (see below), whose sum is σ = 975110400. Its totient is φ = 151732224.
The previous prime is 455142509. The next prime is 455142551. The reversal of 455142530 is 35241554.
It is an interprime number because it is at equal distance from previous prime (455142509) and next prime (455142551).
It is a super-2 number, since 2×4551425302 = 414309445229601800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a junction number, because it is equal to n+sod(n) for n = 455142493 and 455142502.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4027754 + ... + 4027866.
It is an arithmetic number, because the mean of its divisors is an integer number (7618050).
Almost surely, 2455142530 is an apocalyptic number.
455142530 is an abundant number, since it is smaller than the sum of its proper divisors (519967870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
455142530 is a wasteful number, since it uses less digits than its factorization.
455142530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 228.
The product of its (nonzero) digits is 12000, while the sum is 29.
The square root of 455142530 is about 21334.0697008330. The cubic root of 455142530 is about 769.2174711573.
The spelling of 455142530 in words is "four hundred fifty-five million, one hundred forty-two thousand, five hundred thirty".
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