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303242642 = 2413698081
BaseRepresentation
bin10010000100110…
…001110110010010
3210010121022200222
4102010301312102
51110112231032
650031313042
710341343223
oct2204616622
9703538628
10303242642
1114619975a
128567b782
134aa94a21
142c3b924a
151b94ea12
hex12131d92

303242642 has 8 divisors (see below), whose sum is σ = 465958332. Its totient is φ = 147923200.

The previous prime is 303242623. The next prime is 303242663. The reversal of 303242642 is 246242303.

It can be written as a sum of positive squares in 2 ways, for example, as 293060161 + 10182481 = 17119^2 + 3191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1848959 + ... + 1849122.

Almost surely, 2303242642 is an apocalyptic number.

303242642 is a deficient number, since it is larger than the sum of its proper divisors (162715690).

303242642 is a wasteful number, since it uses less digits than its factorization.

303242642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698124.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 303242642 is about 17413.8635000967. The cubic root of 303242642 is about 671.8362356636.

Adding to 303242642 its reverse (246242303), we get a palindrome (549484945).

The spelling of 303242642 in words is "three hundred three million, two hundred forty-two thousand, six hundred forty-two".

Divisors: 1 2 41 82 3698081 7396162 151621321 303242642