Search a number
-
+
827947090 = 251716329879
BaseRepresentation
bin110001010110010…
…111100001010010
32010200221001220001
4301112113201102
53143423301330
6214053440214
726342301625
oct6126274122
92120831801
10827947090
113953999a3
121b134006a
131026b9629
147bd61dbc
154ca479ca
hex31597852

827947090 has 32 divisors (see below), whose sum is σ = 1587703680. Its totient is φ = 309775104.

The previous prime is 827947051. The next prime is 827947139. The reversal of 827947090 is 90749728.

It is a self number, because there is not a number n which added to its sum of digits gives 827947090.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12771 + ... + 42649.

It is an arithmetic number, because the mean of its divisors is an integer number (49615740).

Almost surely, 2827947090 is an apocalyptic number.

827947090 is a deficient number, since it is larger than the sum of its proper divisors (759756590).

827947090 is a wasteful number, since it uses less digits than its factorization.

827947090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30066.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 827947090 is about 28774.0697503846. The cubic root of 827947090 is about 939.0041853567.

The spelling of 827947090 in words is "eight hundred twenty-seven million, nine hundred forty-seven thousand, ninety".

Divisors: 1 2 5 10 17 34 85 163 170 326 815 1630 2771 5542 13855 27710 29879 59758 149395 298790 507943 1015886 2539715 4870277 5079430 9740554 24351385 48702770 82794709 165589418 413973545 827947090