Base | Representation |
---|---|
bin | 1100001111110… |
… | …11100011110100 |
3 | 21011022211212220 |
4 | 12013323203310 |
5 | 202300223020 |
6 | 14110042340 |
7 | 2355203055 |
oct | 607734364 |
9 | 234284786 |
10 | 102742260 |
11 | 52aa4865 |
12 | 2a4a93b0 |
13 | 18393a4a |
14 | d90672c |
15 | 9047240 |
hex | 61fb8f4 |
102742260 has 24 divisors (see below), whose sum is σ = 287678496. Its totient is φ = 27397920.
The previous prime is 102742259. The next prime is 102742309. The reversal of 102742260 is 62247201.
It is a self number, because there is not a number n which added to its sum of digits gives 102742260.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856126 + ... + 856245.
It is an arithmetic number, because the mean of its divisors is an integer number (11986604).
Almost surely, 2102742260 is an apocalyptic number.
102742260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102742260 is an abundant number, since it is smaller than the sum of its proper divisors (184936236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102742260 is a wasteful number, since it uses less digits than its factorization.
102742260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1712383 (or 1712381 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 102742260 is about 10136.1856731218. The cubic root of 102742260 is about 468.3634950862.
Adding to 102742260 its reverse (62247201), we get a palindrome (164989461).
The spelling of 102742260 in words is "one hundred two million, seven hundred forty-two thousand, two hundred sixty".
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