Base | Representation |
---|---|
bin | 11000110010011… |
… | …10011110011000 |
3 | 112111021102100020 |
4 | 30121032132120 |
5 | 411213030410 |
6 | 32344510440 |
7 | 5103312360 |
oct | 1431163630 |
9 | 474242306 |
10 | 207939480 |
11 | a7416011 |
12 | 5977b420 |
13 | 34107018 |
14 | 1d88b9a0 |
15 | 133c6a70 |
hex | c64e798 |
207939480 has 64 divisors (see below), whose sum is σ = 712938240. Its totient is φ = 47528832.
The previous prime is 207939449. The next prime is 207939493. The reversal of 207939480 is 84939702.
207939480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×2079394803 (a number of 26 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
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, 122934 + ... + 124613.
It is an arithmetic number, because the mean of its divisors is an integer number (11139660).
Almost surely, 2207939480 is an apocalyptic number.
207939480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
207939480 is an abundant number, since it is smaller than the sum of its proper divisors (504998760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
207939480 is a wasteful number, since it uses less digits than its factorization.
207939480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247568 (or 247564 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 42.
The square root of 207939480 is about 14420.1067957210. The cubic root of 207939480 is about 592.4417432796.
The spelling of 207939480 in words is "two hundred seven million, nine hundred thirty-nine thousand, four hundred eighty".
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