Base | Representation |
---|---|
bin | 10001011001011… |
… | …11101001111100 |
3 | 101011121220000002 |
4 | 20230233221330 |
5 | 244330303020 |
6 | 22252053432 |
7 | 3421350134 |
oct | 1054575174 |
9 | 334556002 |
10 | 145947260 |
11 | 75424378 |
12 | 40a64278 |
13 | 24310334 |
14 | 15551ac4 |
15 | cc2d975 |
hex | 8b2fa7c |
145947260 has 24 divisors (see below), whose sum is σ = 306724320. Its totient is φ = 58334144.
The previous prime is 145947247. The next prime is 145947271. The reversal of 145947260 is 62749541.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39617 + ... + 43143.
It is an arithmetic number, because the mean of its divisors is an integer number (12780180).
Almost surely, 2145947260 is an apocalyptic number.
145947260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145947260 is an abundant number, since it is smaller than the sum of its proper divisors (160777060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145947260 is a wasteful number, since it uses less digits than its factorization.
145947260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5605 (or 5603 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 38.
The square root of 145947260 is about 12080.8633797424. The cubic root of 145947260 is about 526.5003311359.
The spelling of 145947260 in words is "one hundred forty-five million, nine hundred forty-seven thousand, two hundred sixty".
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