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2147842794 = 231297927581
BaseRepresentation
bin1000000000000101…
…0111101011101010
312112200112201102010
42000001113223222
513344321432134
6553043420350
7104140235226
oct20001275352
95480481363
102147842794
11a02446099
124bb3846b6
13282c9c3c6
14165381786
15c8867ce9
hex80057aea

2147842794 has 16 divisors (see below), whose sum is σ = 4296172320. Its totient is φ = 715866480.

The previous prime is 2147842759. The next prime is 2147842799. The reversal of 2147842794 is 4972487412.

It is a super-2 number, since 2×21478427942 = 9226457335475452872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147842799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64084 + ... + 91664.

It is an arithmetic number, because the mean of its divisors is an integer number (268510770).

Almost surely, 22147842794 is an apocalyptic number.

2147842794 is an abundant number, since it is smaller than the sum of its proper divisors (2148329526).

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

2147842794 is a wasteful number, since it uses less digits than its factorization.

2147842794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40565.

The product of its digits is 903168, while the sum is 48.

The square root of 2147842794 is about 46344.8248890855. The cubic root of 2147842794 is about 1290.2310733228.

The spelling of 2147842794 in words is "two billion, one hundred forty-seven million, eight hundred forty-two thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 12979 25958 27581 38937 55162 77874 82743 165486 357973799 715947598 1073921397 2147842794