Base | Representation |
---|---|
bin | 101010010101010… |
… | …1001111010010010 |
3 | 10122222212020120200 |
4 | 1110222221322102 |
5 | 10402114432413 |
6 | 352541320030 |
7 | 50125530465 |
oct | 12452517222 |
9 | 3588766520 |
10 | 1420467858 |
11 | 6698a9587 |
12 | 337866016 |
13 | 198396b34 |
14 | d691d2dc |
15 | 84a89573 |
hex | 54aa9e92 |
1420467858 has 12 divisors (see below), whose sum is σ = 3077680398. Its totient is φ = 473489280.
The previous prime is 1420467823. The next prime is 1420467869. The reversal of 1420467858 is 8587640241.
It can be written as a sum of positive squares in only one way, i.e., 1219196889 + 201270969 = 34917^2 + 14187^2 .
It is a super-2 number, since 2×14204678582 = 4035457871222216328, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39457423 + ... + 39457458.
Almost surely, 21420467858 is an apocalyptic number.
1420467858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
1420467858 is an abundant number, since it is smaller than the sum of its proper divisors (1657212540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420467858 is a wasteful number, since it uses less digits than its factorization.
1420467858 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78914889 (or 78914886 counting only the distinct ones).
The product of its (nonzero) digits is 430080, while the sum is 45.
The square root of 1420467858 is about 37689.0946826798. The cubic root of 1420467858 is about 1124.1142942796.
The spelling of 1420467858 in words is "one billion, four hundred twenty million, four hundred sixty-seven thousand, eight hundred fifty-eight".
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