Base | Representation |
---|---|
bin | 10000101000100… |
… | …00101010010000 |
3 | 100201112210121010 |
4 | 20110100222100 |
5 | 241204410343 |
6 | 21502330520 |
7 | 3312655434 |
oct | 1024205220 |
9 | 321483533 |
10 | 139528848 |
11 | 718400a8 |
12 | 3a889a40 |
13 | 22ba3a64 |
14 | 147609c4 |
15 | c3b1d33 |
hex | 8510a90 |
139528848 has 20 divisors (see below), whose sum is σ = 360449648. Its totient is φ = 46509600.
The previous prime is 139528817. The next prime is 139528867. The reversal of 139528848 is 848825931.
It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 2906851 = 139528848 / (1 + 3 + 9 + 5 + 2 + 8 + 8 + 4 + 8).
It is a junction number, because it is equal to n+sod(n) for n = 139528797 and 139528806.
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, 1453378 + ... + 1453473.
Almost surely, 2139528848 is an apocalyptic number.
It is an amenable number.
139528848 is an abundant number, since it is smaller than the sum of its proper divisors (220920800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139528848 is a wasteful number, since it uses less digits than its factorization.
139528848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2906862 (or 2906856 counting only the distinct ones).
The product of its digits is 552960, while the sum is 48.
The square root of 139528848 is about 11812.2329811090. The cubic root of 139528848 is about 518.6662664869. Note that the first 3 decimals are identical.
The spelling of 139528848 in words is "one hundred thirty-nine million, five hundred twenty-eight thousand, eight hundred forty-eight".
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