Base | Representation |
---|---|
bin | 101100010001110… |
… | …110101100010011 |
3 | 1220202212002222221 |
4 | 230101312230103 |
5 | 3010134043341 |
6 | 201414241511 |
7 | 24260233663 |
oct | 5421665423 |
9 | 1822762887 |
10 | 742877971 |
11 | 351376240 |
12 | 188956297 |
13 | baba2b84 |
14 | 7093a1a3 |
15 | 45341ed1 |
hex | 2c476b13 |
742877971 has 16 divisors (see below), whose sum is σ = 842381568. Its totient is φ = 649144800.
The previous prime is 742877959. The next prime is 742877981. The reversal of 742877971 is 179778247.
It is a happy number.
742877971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 742877971 - 25 = 742877939 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (742877981) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22786 + ... + 44776.
It is an arithmetic number, because the mean of its divisors is an integer number (52648848).
Almost surely, 2742877971 is an apocalyptic number.
742877971 is a deficient number, since it is larger than the sum of its proper divisors (99503597).
742877971 is a wasteful number, since it uses less digits than its factorization.
742877971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22122.
The product of its digits is 1382976, while the sum is 52.
The square root of 742877971 is about 27255.7878440525. The cubic root of 742877971 is about 905.6752369389.
The spelling of 742877971 in words is "seven hundred forty-two million, eight hundred seventy-seven thousand, nine hundred seventy-one".
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