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303242428 = 22151502057
BaseRepresentation
bin10010000100110…
…001110010111100
3210010121022102001
4102010301302330
51110112224203
650031312044
710341342466
oct2204616274
9703538361
10303242428
11146199585
128567b624
134aa948b8
142c3b9136
151b94e91d
hex12131cbc

303242428 has 12 divisors (see below), whose sum is σ = 534189712. Its totient is φ = 150616800.

The previous prime is 303242411. The next prime is 303242461. The reversal of 303242428 is 824242303.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 303242396 and 303242405.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 250425 + ... + 251632.

Almost surely, 2303242428 is an apocalyptic number.

It is an amenable number.

303242428 is a deficient number, since it is larger than the sum of its proper divisors (230947284).

303242428 is a wasteful number, since it uses less digits than its factorization.

303242428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502212 (or 502210 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 303242428 is about 17413.8573555660. The cubic root of 303242428 is about 671.8360776241.

The spelling of 303242428 in words is "three hundred three million, two hundred forty-two thousand, four hundred twenty-eight".

Divisors: 1 2 4 151 302 604 502057 1004114 2008228 75810607 151621214 303242428