Base | Representation |
---|---|
bin | 10000101000101… |
… | …01000101010000 |
3 | 100201120201102221 |
4 | 20110111011100 |
5 | 241211000320 |
6 | 21502550424 |
7 | 3313062310 |
oct | 1024250520 |
9 | 321521387 |
10 | 139546960 |
11 | 71852773 |
12 | 3a898414 |
13 | 22bac087 |
14 | 14767440 |
15 | c3b73aa |
hex | 8515150 |
139546960 has 80 divisors (see below), whose sum is σ = 372868992. Its totient is φ = 47577600.
The previous prime is 139546951. The next prime is 139546991. The reversal of 139546960 is 69645931.
139546960 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (80).
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, 117570 + ... + 118750.
Almost surely, 2139546960 is an apocalyptic number.
139546960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 139546960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186434496).
139546960 is an abundant number, since it is smaller than the sum of its proper divisors (233322032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139546960 is a wasteful number, since it uses less digits than its factorization.
139546960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1412 (or 1406 counting only the distinct ones).
The product of its (nonzero) digits is 174960, while the sum is 43.
The square root of 139546960 is about 11812.9996190637. Note that the first 3 decimals coincide. The cubic root of 139546960 is about 518.6887079082.
The spelling of 139546960 in words is "one hundred thirty-nine million, five hundred forty-six thousand, nine hundred sixty".
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