Search a number
-
+
86285772 = 22323177317
BaseRepresentation
bin1010010010010…
…01110111001100
320000100202211100
411021021313030
5134042121042
612321223100
72065263006
oct511116714
9200322740
1086285772
1144784861
1224a91a90
1314b51491
14b661376
15789624c
hex5249dcc

86285772 has 36 divisors (see below), whose sum is σ = 225150016. Its totient is φ = 27833760.

The previous prime is 86285753. The next prime is 86285809. The reversal of 86285772 is 27758268.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 37543 + ... + 39774.

Almost surely, 286285772 is an apocalyptic number.

It is an amenable number.

86285772 is an abundant number, since it is smaller than the sum of its proper divisors (138864244).

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

86285772 is a wasteful number, since it uses less digits than its factorization.

86285772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77358 (or 77353 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 86285772 is about 9289.0135105941. The cubic root of 86285772 is about 441.8888700502. Note that the first 4 decimals are identical.

It can be divided in two parts, 8628 and 5772, that added together give a square (14400 = 1202).

The spelling of 86285772 in words is "eighty-six million, two hundred eighty-five thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 1116 77317 154634 231951 309268 463902 695853 927804 1391706 2396827 2783412 4793654 7190481 9587308 14380962 21571443 28761924 43142886 86285772