Search a number
-
+
855651072 = 2831765537
BaseRepresentation
bin110011000000000…
…011001100000000
32012122001120121110
4303000003030000
53223021313242
6220523323320
730126625353
oct6300031400
92178046543
10855651072
113a9aa1351
121ba680540
13108369513
14818d429a
15501bb39c
hex33003300

855651072 has 72 divisors (see below), whose sum is σ = 2411274096. Its totient is φ = 268435456.

The previous prime is 855651047. The next prime is 855651079. The reversal of 855651072 is 270156558.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 855651072.

It is not an unprimeable number, because it can be changed into a prime (855651079) by changing a digit.

In principle, a polygon with 855651072 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19713 + ... + 45824.

It is an arithmetic number, because the mean of its divisors is an integer number (33489918).

Almost surely, 2855651072 is an apocalyptic number.

It is an amenable number.

855651072 is an abundant number, since it is smaller than the sum of its proper divisors (1555623024).

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

855651072 is a wasteful number, since it uses less digits than its factorization.

855651072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65573 (or 65559 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 855651072 is about 29251.5140120986. The cubic root of 855651072 is about 949.3628495922.

The spelling of 855651072 in words is "eight hundred fifty-five million, six hundred fifty-one thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 128 136 192 204 256 272 384 408 544 768 816 1088 1632 2176 3264 4352 6528 13056 65537 131074 196611 262148 393222 524296 786444 1048592 1114129 1572888 2097184 2228258 3145776 3342387 4194368 4456516 6291552 6684774 8388736 8913032 12583104 13369548 16777472 17826064 25166208 26739096 35652128 50332416 53478192 71304256 106956384 142608512 213912768 285217024 427825536 855651072