Search a number
-
+
303020412 = 223313592269
BaseRepresentation
bin10010000011111…
…011100101111100
3210010012000212020
4102003323211330
51110033123122
650022440140
710336426302
oct2203734574
9703160766
10303020412
111460577a2
1285593050
134aa17826
142c35c272
151b908c5c
hex120fb97c

303020412 has 48 divisors (see below), whose sum is σ = 732211200. Its totient is φ = 97433280.

The previous prime is 303020411. The next prime is 303020413. The reversal of 303020412 is 214020303.

It is an interprime number because it is at equal distance from previous prime (303020411) and next prime (303020413).

It is a junction number, because it is equal to n+sod(n) for n = 303020391 and 303020400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303020411) 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, 132414 + ... + 134682.

It is an arithmetic number, because the mean of its divisors is an integer number (15254400).

Almost surely, 2303020412 is an apocalyptic number.

It is an amenable number.

303020412 is an abundant number, since it is smaller than the sum of its proper divisors (429190788).

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

303020412 is a wasteful number, since it uses less digits than its factorization.

303020412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 303020412 is about 17407.4814950354. The cubic root of 303020412 is about 671.6720781732.

Adding to 303020412 its reverse (214020303), we get a palindrome (517040715).

The spelling of 303020412 in words is "three hundred three million, twenty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 359 372 718 1077 1436 2154 2269 4308 4538 6807 9076 11129 13614 22258 27228 33387 44516 66774 70339 133548 140678 211017 281356 422034 814571 844068 1629142 2443713 3258284 4887426 9774852 25251701 50503402 75755103 101006804 151510206 303020412