Base | Representation |
---|---|
bin | 10001101011010… |
… | …01011000001000 |
3 | 101100000110001222 |
4 | 20311221120020 |
5 | 300424441330 |
6 | 22414101212 |
7 | 3450236441 |
oct | 1065513010 |
9 | 340013058 |
10 | 148280840 |
11 | 76778654 |
12 | 417aa808 |
13 | 24949556 |
14 | 1599c2c8 |
15 | d0400e5 |
hex | 8d69608 |
148280840 has 16 divisors (see below), whose sum is σ = 333631980. Its totient is φ = 59312320.
The previous prime is 148280837. The next prime is 148280861. The reversal of 148280840 is 48082841.
It can be written as a sum of positive squares in 2 ways, for example, as 122899396 + 25381444 = 11086^2 + 5038^2 .
It is a super-2 number, since 2×1482808402 = 43974415022211200, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 148280840.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853471 + ... + 1853550.
Almost surely, 2148280840 is an apocalyptic number.
148280840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
148280840 is an abundant number, since it is smaller than the sum of its proper divisors (185351140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148280840 is a wasteful number, since it uses less digits than its factorization.
148280840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3707032 (or 3707028 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 35.
The square root of 148280840 is about 12177.0620430381. The cubic root of 148280840 is about 529.2916132369.
The spelling of 148280840 in words is "one hundred forty-eight million, two hundred eighty thousand, eight hundred forty".
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