Base | Representation |
---|---|
bin | 11110011100101… |
… | …00100100111110 |
3 | 122210121022010210 |
4 | 33032110210332 |
5 | 1010341200132 |
6 | 41202213250 |
7 | 6220653660 |
oct | 1716244476 |
9 | 583538123 |
10 | 255412542 |
11 | 1211a0250 |
12 | 71654226 |
13 | 40bb91a8 |
14 | 25cc8530 |
15 | 17652bcc |
hex | f39493e |
255412542 has 32 divisors (see below), whose sum is σ = 636873984. Its totient is φ = 66340800.
The previous prime is 255412513. The next prime is 255412571. The reversal of 255412542 is 245214552.
It is an interprime number because it is at equal distance from previous prime (255412513) and next prime (255412571).
It is a super-3 number, since 3×2554125423 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
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, 275959 + ... + 276882.
It is an arithmetic number, because the mean of its divisors is an integer number (19902312).
Almost surely, 2255412542 is an apocalyptic number.
255412542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
255412542 is an abundant number, since it is smaller than the sum of its proper divisors (381461442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255412542 is a wasteful number, since it uses less digits than its factorization.
255412542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 552864.
The product of its digits is 16000, while the sum is 30.
The square root of 255412542 is about 15981.6313935718. The cubic root of 255412542 is about 634.4743553346.
The spelling of 255412542 in words is "two hundred fifty-five million, four hundred twelve thousand, five hundred forty-two".
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