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2807940086 = 27229787317
BaseRepresentation
bin1010011101011101…
…1100001111110110
321020200122010122222
42213113130033312
521222313040321
61142343522342
7126404045150
oct24727341766
97220563588
102807940086
111211010a46
126644593b2
1335997a313
141c8ccdad0
151167a73ab
hexa75dc3f6

2807940086 has 16 divisors (see below), whose sum is σ = 4815762336. Its totient is φ = 1202865216.

The previous prime is 2807940043. The next prime is 2807940131. The reversal of 2807940086 is 6800497082.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11501 + ... + 75816.

It is an arithmetic number, because the mean of its divisors is an integer number (300985146).

Almost surely, 22807940086 is an apocalyptic number.

2807940086 is a deficient number, since it is larger than the sum of its proper divisors (2007822250).

2807940086 is a wasteful number, since it uses less digits than its factorization.

2807940086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89623.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 2807940086 is about 52989.9998678996. Note that the first 3 decimals coincide. The cubic root of 2807940086 is about 1410.7907785250.

The spelling of 2807940086 in words is "two billion, eight hundred seven million, nine hundred forty thousand, eighty-six".

Divisors: 1 2 7 14 2297 4594 16079 32158 87317 174634 611219 1222438 200567149 401134298 1403970043 2807940086