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303034420 = 225131961343
BaseRepresentation
bin10010000011111…
…111000000110100
3210010012202002001
4102003333000310
51110034100140
650023025044
710336515163
oct2203770064
9703182061
10303034420
11146067277
128559b184
134aa21010
142c3633da
151b90ce9a
hex120ff034

303034420 has 48 divisors (see below), whose sum is σ = 721405440. Its totient is φ = 105998976.

The previous prime is 303034387. The next prime is 303034421. The reversal of 303034420 is 24430303.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303034421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25732 + ... + 35611.

It is an arithmetic number, because the mean of its divisors is an integer number (15029280).

Almost surely, 2303034420 is an apocalyptic number.

It is an amenable number.

303034420 is an abundant number, since it is smaller than the sum of its proper divisors (418371020).

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

303034420 is a wasteful number, since it uses less digits than its factorization.

303034420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61384 (or 61382 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 303034420 is about 17407.8838461198. The cubic root of 303034420 is about 671.6824280123.

Adding to 303034420 its reverse (24430303), we get a palindrome (327464723).

The spelling of 303034420 in words is "three hundred three million, thirty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 130 190 247 260 380 494 988 1235 2470 4940 61343 122686 245372 306715 613430 797459 1165517 1226860 1594918 2331034 3189836 3987295 4662068 5827585 7974590 11655170 15151721 15949180 23310340 30303442 60606884 75758605 151517210 303034420