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842030461 = 1137451597
BaseRepresentation
bin110010001100000…
…101110101111101
32011200102120122101
4302030011311331
53211024433321
6215315345101
726603066206
oct6214056575
92150376571
10842030461
113a2338a48
121b5bb2191
131055aa99c
147db8a5ad
154ddca791
hex32305d7d

842030461 has 4 divisors (see below), whose sum is σ = 849482172. Its totient is φ = 834578752.

The previous prime is 842030443. The next prime is 842030471. The reversal of 842030461 is 164030248.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26071236 + 815959225 = 5106^2 + 28565^2 .

It is a cyclic number.

It is not a de Polignac number, because 842030461 - 225 = 808476029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842030411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3725686 + ... + 3725911.

It is an arithmetic number, because the mean of its divisors is an integer number (212370543).

Almost surely, 2842030461 is an apocalyptic number.

It is an amenable number.

842030461 is a deficient number, since it is larger than the sum of its proper divisors (7451711).

842030461 is a wasteful number, since it uses less digits than its factorization.

842030461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7451710.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 842030461 is about 29017.7611300390. The cubic root of 842030461 is about 944.2984298522.

The spelling of 842030461 in words is "eight hundred forty-two million, thirty thousand, four hundred sixty-one".

Divisors: 1 113 7451597 842030461