Base | Representation |
---|---|
bin | 110100000110100… |
… | …101110000001000 |
3 | 2020220212001101121 |
4 | 310012211300020 |
5 | 3242240031403 |
6 | 222423525024 |
7 | 30443043034 |
oct | 6406456010 |
9 | 2226761347 |
10 | 874142728 |
11 | 409481408 |
12 | 2048b9774 |
13 | 10c142224 |
14 | 841491c4 |
15 | 51b203bd |
hex | 341a5c08 |
874142728 has 24 divisors (see below), whose sum is σ = 1729827630. Its totient is φ = 414066240.
The previous prime is 874142719. The next prime is 874142729. The reversal of 874142728 is 827241478.
It can be written as a sum of positive squares in only one way, i.e., 593312164 + 280830564 = 24358^2 + 16758^2 .
It is not an unprimeable number, because it can be changed into a prime (874142729) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 148453 + ... + 154228.
Almost surely, 2874142728 is an apocalyptic number.
It is an amenable number.
874142728 is a deficient number, since it is larger than the sum of its proper divisors (855684902).
874142728 is a wasteful number, since it uses less digits than its factorization.
874142728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 302725 (or 302702 counting only the distinct ones).
The product of its digits is 200704, while the sum is 43.
The square root of 874142728 is about 29565.9048229544. The cubic root of 874142728 is about 956.1531269687.
The spelling of 874142728 in words is "eight hundred seventy-four million, one hundred forty-two thousand, seven hundred twenty-eight".
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