Base | Representation |
---|---|
bin | 11001000010100… |
… | …100000011010010 |
3 | 1002021111102002110 |
4 | 121002210003102 |
5 | 1330021233404 |
6 | 105404130150 |
7 | 13260545130 |
oct | 3102440322 |
9 | 1067442073 |
10 | 420102354 |
11 | 1a6156131 |
12 | b8836956 |
13 | 6905c499 |
14 | 3db18750 |
15 | 26d34b89 |
hex | 190a40d2 |
420102354 has 16 divisors (see below), whose sum is σ = 960234048. Its totient is φ = 120029232.
The previous prime is 420102307. The next prime is 420102377. The reversal of 420102354 is 453201024.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 420102354.
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, 5001177 + ... + 5001260.
It is an arithmetic number, because the mean of its divisors is an integer number (60014628).
Almost surely, 2420102354 is an apocalyptic number.
420102354 is an abundant number, since it is smaller than the sum of its proper divisors (540131694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420102354 is a wasteful number, since it uses less digits than its factorization.
420102354 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10002449.
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 420102354 is about 20496.3985616986. The cubic root of 420102354 is about 748.9480683874.
Adding to 420102354 its reverse (453201024), we get a palindrome (873303378).
The spelling of 420102354 in words is "four hundred twenty million, one hundred two thousand, three hundred fifty-four".
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