Base | Representation |
---|---|
bin | 101010010110000… |
… | …1000000011000010 |
3 | 10200000120211111120 |
4 | 1110230020003002 |
5 | 10402214302232 |
6 | 352553453110 |
7 | 50132024601 |
oct | 12454100302 |
9 | 3600524446 |
10 | 1420853442 |
11 | 66a042248 |
12 | 337a11196 |
13 | 1984a04a8 |
14 | d69bda38 |
15 | 84b1392c |
hex | 54b080c2 |
1420853442 has 32 divisors (see below), whose sum is σ = 3004936704. Its totient is φ = 447158400.
The previous prime is 1420853377. The next prime is 1420853443. The reversal of 1420853442 is 2443580241.
It is not an unprimeable number, because it can be changed into a prime (1420853443) 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, 85533 + ... + 100784.
It is an arithmetic number, because the mean of its divisors is an integer number (93904272).
Almost surely, 21420853442 is an apocalyptic number.
1420853442 is an abundant number, since it is smaller than the sum of its proper divisors (1584083262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420853442 is a wasteful number, since it uses less digits than its factorization.
1420853442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186394.
The product of its (nonzero) digits is 30720, while the sum is 33.
The square root of 1420853442 is about 37694.2096614321. The cubic root of 1420853442 is about 1124.2159981585.
The spelling of 1420853442 in words is "one billion, four hundred twenty million, eight hundred fifty-three thousand, four hundred forty-two".
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