Base | Representation |
---|---|
bin | 100000010100011… |
… | …111000001100110 |
3 | 1101210022200122012 |
4 | 200110133001212 |
5 | 2102303201440 |
6 | 125450034222 |
7 | 16302654113 |
oct | 4024370146 |
9 | 1353280565 |
10 | 542240870 |
11 | 259098656 |
12 | 131718972 |
13 | 884548b2 |
14 | 5202d90a |
15 | 3290de65 |
hex | 2051f066 |
542240870 has 24 divisors (see below), whose sum is σ = 1020324816. Its totient is φ = 207464048.
The previous prime is 542240837. The next prime is 542240873. The reversal of 542240870 is 78042245.
It is a super-2 number, since 2×5422408702 = 588050322196713800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542240873) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45962 + ... + 56541.
It is an arithmetic number, because the mean of its divisors is an integer number (42513534).
Almost surely, 2542240870 is an apocalyptic number.
542240870 is a deficient number, since it is larger than the sum of its proper divisors (478083946).
542240870 is a wasteful number, since it uses less digits than its factorization.
542240870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102556 (or 102533 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 32.
The square root of 542240870 is about 23286.0660052315. The cubic root of 542240870 is about 815.4501484034.
The spelling of 542240870 in words is "five hundred forty-two million, two hundred forty thousand, eight hundred seventy".
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