Base | Representation |
---|---|
bin | 1010000110101… |
… | …1010111101110 |
3 | 2221202021022110 |
4 | 2201223113232 |
5 | 41322222310 |
6 | 4112224450 |
7 | 1023151050 |
oct | 241532756 |
9 | 87667273 |
10 | 42382830 |
11 | 21a18936 |
12 | 1223b126 |
13 | 8a1c2c9 |
14 | 58b38d0 |
15 | 3ac2d20 |
hex | 286b5ee |
42382830 has 32 divisors (see below), whose sum is σ = 116250624. Its totient is φ = 9687456.
The previous prime is 42382799. The next prime is 42382841. The reversal of 42382830 is 3828324.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 100702 + ... + 101121.
It is an arithmetic number, because the mean of its divisors is an integer number (3632832).
Almost surely, 242382830 is an apocalyptic number.
42382830 is an abundant number, since it is smaller than the sum of its proper divisors (73867794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42382830 is a wasteful number, since it uses less digits than its factorization.
42382830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 201840.
The product of its (nonzero) digits is 9216, while the sum is 30.
The square root of 42382830 is about 6510.2096740428. The cubic root of 42382830 is about 348.6556045189.
The spelling of 42382830 in words is "forty-two million, three hundred eighty-two thousand, eight hundred thirty".
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