Search a number
-
+
403102020 = 22356718367
BaseRepresentation
bin11000000001101…
…101100101000100
31001002111201000110
4120001231211010
51311143231040
6103555513020
712663211356
oct3001554504
91032451013
10403102020
111975a4572
12b2bb8770
1365689509
143b7710d6
15255c7980
hex1806d944

403102020 has 24 divisors (see below), whose sum is σ = 1128685824. Its totient is φ = 107493856.

The previous prime is 403101989. The next prime is 403102039. The reversal of 403102020 is 20201304.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 403101987 and 403102005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3359124 + ... + 3359243.

It is an arithmetic number, because the mean of its divisors is an integer number (47028576).

Almost surely, 2403102020 is an apocalyptic number.

It is an amenable number.

403102020 is an abundant number, since it is smaller than the sum of its proper divisors (725583804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

403102020 is a wasteful number, since it uses less digits than its factorization.

403102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6718379 (or 6718377 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 403102020 is about 20077.4007281819. The cubic root of 403102020 is about 738.7060538275.

Adding to 403102020 its reverse (20201304), we get a palindrome (423303324).

The spelling of 403102020 in words is "four hundred three million, one hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 6718367 13436734 20155101 26873468 33591835 40310202 67183670 80620404 100775505 134367340 201551010 403102020