Base | Representation |
---|---|
bin | 1010001000101… |
… | …0101110010110 |
3 | 2221222210110220 |
4 | 2202022232112 |
5 | 41340330004 |
6 | 4115055210 |
7 | 1024224342 |
oct | 242125626 |
9 | 87883426 |
10 | 42511254 |
11 | 21aa6375 |
12 | 122a1506 |
13 | 8a658b6 |
14 | 5908622 |
15 | 3aeadd9 |
hex | 288ab96 |
42511254 has 32 divisors (see below), whose sum is σ = 90326016. Its totient is φ = 13292160.
The previous prime is 42511241. The next prime is 42511267. The reversal of 42511254 is 45211524.
It is an interprime number because it is at equal distance from previous prime (42511241) and next prime (42511267).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43479 + ... + 44445.
It is an arithmetic number, because the mean of its divisors is an integer number (2822688).
Almost surely, 242511254 is an apocalyptic number.
42511254 is an abundant number, since it is smaller than the sum of its proper divisors (47814762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42511254 is a wasteful number, since it uses less digits than its factorization.
42511254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1420.
The product of its digits is 1600, while the sum is 24.
The square root of 42511254 is about 6520.0654904686. The cubic root of 42511254 is about 349.0074026284.
Adding to 42511254 its reverse (45211524), we get a palindrome (87722778).
The spelling of 42511254 in words is "forty-two million, five hundred eleven thousand, two hundred fifty-four".
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