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303044742 = 232711313139
BaseRepresentation
bin10010000100000…
…001100010000110
3210010020021020100
4102010001202012
51110034412432
650023144530
710336560240
oct2204014206
9703207210
10303044742
11146074000
12855a5146
134aa25920
142c367090
151b91107c
hex12101886

303044742 has 192 divisors, whose sum is σ = 895265280. Its totient is φ = 72135360.

The previous prime is 303044671. The next prime is 303044759. The reversal of 303044742 is 247440303.

It is a super-2 number, since 2×3030447422 = 183672231307693128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2180109 + ... + 2180247.

It is an arithmetic number, because the mean of its divisors is an integer number (4662840).

Almost surely, 2303044742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303044742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447632640).

303044742 is an abundant number, since it is smaller than the sum of its proper divisors (592220538).

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

303044742 is a wasteful number, since it uses less digits than its factorization.

303044742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 303044742 is about 17408.1803184595. The cubic root of 303044742 is about 671.6900542387.

The spelling of 303044742 in words is "three hundred three million, forty-four thousand, seven hundred forty-two".