Base | Representation |
---|---|
bin | 10010100001100… |
… | …01110011101100 |
3 | 101211101210110221 |
4 | 21100301303230 |
5 | 304240041020 |
6 | 23230341124 |
7 | 3564551401 |
oct | 1120616354 |
9 | 354353427 |
10 | 155393260 |
11 | 7a796290 |
12 | 4405a7a4 |
13 | 26269999 |
14 | 168d02a8 |
15 | d9976aa |
hex | 9431cec |
155393260 has 48 divisors (see below), whose sum is σ = 376941600. Its totient is φ = 53181440.
The previous prime is 155393219. The next prime is 155393261. The reversal of 155393260 is 62393551.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is not an unprimeable number, because it can be changed into a prime (155393261) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17035 + ... + 24514.
It is an arithmetic number, because the mean of its divisors is an integer number (7852950).
Almost surely, 2155393260 is an apocalyptic number.
155393260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
155393260 is an abundant number, since it is smaller than the sum of its proper divisors (221548340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155393260 is a wasteful number, since it uses less digits than its factorization.
155393260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41586 (or 41584 counting only the distinct ones).
The product of its (nonzero) digits is 24300, while the sum is 34.
The square root of 155393260 is about 12465.6832945491. The cubic root of 155393260 is about 537.6224462339.
The spelling of 155393260 in words is "one hundred fifty-five million, three hundred ninety-three thousand, two hundred sixty".
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