Base | Representation |
---|---|
bin | 1001111001110… |
… | …00110001111010 |
3 | 12210022101201102 |
4 | 10330320301322 |
5 | 132231220244 |
6 | 12124251402 |
7 | 2026040543 |
oct | 474706172 |
9 | 183271642 |
10 | 83070074 |
11 | 4298885a |
12 | 239a0b62 |
13 | 142968b9 |
14 | b0654ca |
15 | 745d54e |
hex | 4f38c7a |
83070074 has 8 divisors (see below), whose sum is σ = 124681908. Its totient is φ = 41509440.
The previous prime is 83070073. The next prime is 83070101. The reversal of 83070074 is 47007038.
It can be written as a sum of positive squares in 2 ways, for example, as 52345225 + 30724849 = 7235^2 + 5543^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (83070073) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8447 + ... + 15410.
Almost surely, 283070074 is an apocalyptic number.
83070074 is a deficient number, since it is larger than the sum of its proper divisors (41611834).
83070074 is a wasteful number, since it uses less digits than its factorization.
83070074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25600.
The product of its (nonzero) digits is 4704, while the sum is 29.
The square root of 83070074 is about 9114.2785781432. The cubic root of 83070074 is about 436.3297907435.
The spelling of 83070074 in words is "eighty-three million, seventy thousand, seventy-four".
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