Base | Representation |
---|---|
bin | 101010010100110… |
… | …1011110010111000 |
3 | 10122222101022120111 |
4 | 1110221223302320 |
5 | 10402033312212 |
6 | 352532034104 |
7 | 50123420641 |
oct | 12451536270 |
9 | 3588338514 |
10 | 1420213432 |
11 | 669745410 |
12 | 337762934 |
13 | 1983080a1 |
14 | d68946c8 |
15 | 84a38ea7 |
hex | 54a6bcb8 |
1420213432 has 32 divisors (see below), whose sum is σ = 2975842800. Its totient is φ = 629804800.
The previous prime is 1420213411. The next prime is 1420213477. The reversal of 1420213432 is 2343120241.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193207 + ... + 200422.
Almost surely, 21420213432 is an apocalyptic number.
It is an amenable number.
1420213432 is an abundant number, since it is smaller than the sum of its proper divisors (1555629368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420213432 is a wasteful number, since it uses less digits than its factorization.
1420213432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 393687 (or 393683 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 1420213432 is about 37685.7192050251. The cubic root of 1420213432 is about 1124.0471753185.
Adding to 1420213432 its reverse (2343120241), we get a palindrome (3763333673).
The spelling of 1420213432 in words is "one billion, four hundred twenty million, two hundred thirteen thousand, four hundred thirty-two".
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