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42030308 = 2236728631
BaseRepresentation
bin1010000001010…
…1010011100100
32221002100202002
42200111103210
541224432213
64100504432
71020152225
oct240252344
987070662
1042030308
11217a7aa1
12120ab118
138927a08
14582124c
153a53658
hex28154e4

42030308 has 12 divisors (see below), whose sum is σ = 73756032. Its totient is φ = 20957160.

The previous prime is 42030277. The next prime is 42030319. The reversal of 42030308 is 80303024.

It is a self number, because there is not a number n which added to its sum of digits gives 42030308.

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, 12848 + ... + 15783.

It is an arithmetic number, because the mean of its divisors is an integer number (6146336).

Almost surely, 242030308 is an apocalyptic number.

It is an amenable number.

42030308 is a deficient number, since it is larger than the sum of its proper divisors (31725724).

42030308 is a wasteful number, since it uses less digits than its factorization.

42030308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29002 (or 29000 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 42030308 is about 6483.0785896825. The cubic root of 42030308 is about 347.6862566192.

The spelling of 42030308 in words is "forty-two million, thirty thousand, three hundred eight".

Divisors: 1 2 4 367 734 1468 28631 57262 114524 10507577 21015154 42030308