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842403030 = 23574011443
BaseRepresentation
bin110010001101100…
…000110011010110
32011201010111201020
4302031200303112
53211123344110
6215331342010
726606210340
oct6215406326
92151114636
10842403030
113a2572957
121b6151906
131056ab441
147dc46290
154de50d70
hex32360cd6

842403030 has 32 divisors (see below), whose sum is σ = 2310591744. Its totient is φ = 192549216.

The previous prime is 842403011. The next prime is 842403031. The reversal of 842403030 is 30304248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842403031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2005512 + ... + 2005931.

It is an arithmetic number, because the mean of its divisors is an integer number (72205992).

Almost surely, 2842403030 is an apocalyptic number.

842403030 is an abundant number, since it is smaller than the sum of its proper divisors (1468188714).

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

842403030 is a wasteful number, since it uses less digits than its factorization.

842403030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011460.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 842403030 is about 29024.1800917786. The cubic root of 842403030 is about 944.4376823148.

Adding to 842403030 its reverse (30304248), we get a palindrome (872707278).

The spelling of 842403030 in words is "eight hundred forty-two million, four hundred three thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 4011443 8022886 12034329 20057215 24068658 28080101 40114430 56160202 60171645 84240303 120343290 140400505 168480606 280801010 421201515 842403030