Base | Representation |
---|---|
bin | 11110010010011… |
… | …10111011011000 |
3 | 122201002112102111 |
4 | 33021032323120 |
5 | 1010021004210 |
6 | 41113442104 |
7 | 6203430112 |
oct | 1711167330 |
9 | 581075374 |
10 | 254078680 |
11 | 12046a089 |
12 | 71110334 |
13 | 4084001b |
14 | 25a5c3b2 |
15 | 1748c88a |
hex | f24eed8 |
254078680 has 16 divisors (see below), whose sum is σ = 571677120. Its totient is φ = 101631456.
The previous prime is 254078653. The next prime is 254078707. The reversal of 254078680 is 86870452.
It is an interprime number because it is at equal distance from previous prime (254078653) and next prime (254078707).
It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 6351967 = 254078680 / (2 + 5 + 4 + 0 + 7 + 8 + 6 + 8 + 0).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3175944 + ... + 3176023.
It is an arithmetic number, because the mean of its divisors is an integer number (35729820).
Almost surely, 2254078680 is an apocalyptic number.
254078680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
254078680 is an abundant number, since it is smaller than the sum of its proper divisors (317598440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254078680 is a wasteful number, since it uses less digits than its factorization.
254078680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6351978 (or 6351974 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 40.
The square root of 254078680 is about 15939.8456705202. The cubic root of 254078680 is about 633.3679377830.
The spelling of 254078680 in words is "two hundred fifty-four million, seventy-eight thousand, six hundred eighty".
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