Base | Representation |
---|---|
bin | 101101000010101… |
… | …011110100001110 |
3 | 1221122221102222210 |
4 | 231002223310032 |
5 | 3021423202403 |
6 | 202552451250 |
7 | 24504106152 |
oct | 5502536416 |
9 | 1848842883 |
10 | 755678478 |
11 | 358619475 |
12 | 1910a9b26 |
13 | c0735339 |
14 | 7250d062 |
15 | 4651eb03 |
hex | 2d0abd0e |
755678478 has 32 divisors (see below), whose sum is σ = 1589144832. Its totient is φ = 239096000.
The previous prime is 755678477. The next prime is 755678479. The reversal of 755678478 is 874876557.
755678478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (755678477) and next prime (755678479).
It is a super-2 number, since 2×7556784782 = 1142099924224792968, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (755678477) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2823 + ... + 38978.
It is an arithmetic number, because the mean of its divisors is an integer number (49660776).
Almost surely, 2755678478 is an apocalyptic number.
755678478 is an abundant number, since it is smaller than the sum of its proper divisors (833466354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
755678478 is a wasteful number, since it uses less digits than its factorization.
755678478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41960.
The product of its digits is 13171200, while the sum is 57.
The square root of 755678478 is about 27489.6067269068. The cubic root of 755678478 is about 910.8475290493.
The spelling of 755678478 in words is "seven hundred fifty-five million, six hundred seventy-eight thousand, four hundred seventy-eight".
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