Base | Representation |
---|---|
bin | 10000100100101… |
… | …10010111001100 |
3 | 100200121100110002 |
4 | 20102112113030 |
5 | 241042343131 |
6 | 21443503432 |
7 | 3305501126 |
oct | 1022262714 |
9 | 320540402 |
10 | 139027916 |
11 | 71528805 |
12 | 3a687b78 |
13 | 22a59a51 |
14 | 14670216 |
15 | c3136cb |
hex | 84965cc |
139027916 has 48 divisors (see below), whose sum is σ = 260972544. Its totient is φ = 64665216.
The previous prime is 139027897. The next prime is 139027949. The reversal of 139027916 is 619720931.
It is a happy number.
It is a super-3 number, since 3×1390279163 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 139027916.
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, 852851 + ... + 853013.
It is an arithmetic number, because the mean of its divisors is an integer number (5436928).
Almost surely, 2139027916 is an apocalyptic number.
It is an amenable number.
139027916 is a deficient number, since it is larger than the sum of its proper divisors (121944628).
139027916 is a wasteful number, since it uses less digits than its factorization.
139027916 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 390 (or 388 counting only the distinct ones).
The product of its (nonzero) digits is 20412, while the sum is 38.
The square root of 139027916 is about 11791.0099652235. The cubic root of 139027916 is about 518.0448225253.
The spelling of 139027916 in words is "one hundred thirty-nine million, twenty-seven thousand, nine hundred sixteen".
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