Base | Representation |
---|---|
bin | 11001000100110… |
… | …110110111101010 |
3 | 1002022121222000100 |
4 | 121010312313222 |
5 | 1330200004342 |
6 | 105425050230 |
7 | 13265631315 |
oct | 3104666752 |
9 | 1068558010 |
10 | 420703722 |
11 | 1a6526a2a |
12 | b8a86976 |
13 | 6921011a |
14 | 3dc3397c |
15 | 26e02e4c |
hex | 19136dea |
420703722 has 24 divisors (see below), whose sum is σ = 914826276. Its totient is φ = 139726656.
The previous prime is 420703693. The next prime is 420703729. The reversal of 420703722 is 227307024.
It can be written as a sum of positive squares in 2 ways, for example, as 420701121 + 2601 = 20511^2 + 51^2 .
It is not an unprimeable number, because it can be changed into a prime (420703729) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37203 + ... + 47174.
Almost surely, 2420703722 is an apocalyptic number.
420703722 is an abundant number, since it is smaller than the sum of its proper divisors (494122554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420703722 is a wasteful number, since it uses less digits than its factorization.
420703722 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84662 (or 84659 counting only the distinct ones).
The product of its (nonzero) digits is 4704, while the sum is 27.
The square root of 420703722 is about 20511.0634049042. The cubic root of 420703722 is about 749.3052659916.
The spelling of 420703722 in words is "four hundred twenty million, seven hundred three thousand, seven hundred twenty-two".
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