Base | Representation |
---|---|
bin | 1000001010011… |
… | …00111001000010 |
3 | 11202211202110022 |
4 | 10011030321002 |
5 | 120012104021 |
6 | 10443333442 |
7 | 1461001643 |
oct | 405147102 |
9 | 152752408 |
10 | 68472386 |
11 | 35718354 |
12 | 1ab21282 |
13 | 11255408 |
14 | 91456ca |
15 | 60281ab |
hex | 414ce42 |
68472386 has 4 divisors (see below), whose sum is σ = 102708582. Its totient is φ = 34236192.
The previous prime is 68472377. The next prime is 68472401. The reversal of 68472386 is 68327486.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68327486 = 2 ⋅34163743.
It can be written as a sum of positive squares in only one way, i.e., 56535361 + 11937025 = 7519^2 + 3455^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17118095 + ... + 17118098.
Almost surely, 268472386 is an apocalyptic number.
68472386 is a deficient number, since it is larger than the sum of its proper divisors (34236196).
68472386 is a wasteful number, since it uses less digits than its factorization.
68472386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34236195.
The product of its digits is 387072, while the sum is 44.
The square root of 68472386 is about 8274.8042877158. The cubic root of 68472386 is about 409.1084852396.
The spelling of 68472386 in words is "sixty-eight million, four hundred seventy-two thousand, three hundred eighty-six".
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