Search a number
-
+
85199067 = 3331137743
BaseRepresentation
bin1010001010000…
…00100011011011
312221022120011000
411011000203123
5133302332232
612242040043
72053115532
oct505004333
9187276130
1085199067
1144102358
1224649023
1314860965
14b45b319
15772e27c
hex51408db

85199067 has 32 divisors (see below), whose sum is σ = 131420160. Its totient is φ = 54492480.

The previous prime is 85199063. The next prime is 85199083. The reversal of 85199067 is 76099158.

It is not a de Polignac number, because 85199067 - 22 = 85199063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85199063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114298 + ... + 115040.

It is an arithmetic number, because the mean of its divisors is an integer number (4106880).

Almost surely, 285199067 is an apocalyptic number.

85199067 is a deficient number, since it is larger than the sum of its proper divisors (46221093).

85199067 is a wasteful number, since it uses less digits than its factorization.

85199067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 85199067 is about 9230.3340676272. The cubic root of 85199067 is about 440.0259402751.

Subtracting from 85199067 its reverse (76099158), we obtain a palindrome (9099909).

The spelling of 85199067 in words is "eighty-five million, one hundred ninety-nine thousand, sixty-seven".

Divisors: 1 3 9 27 31 93 137 279 411 743 837 1233 2229 3699 4247 6687 12741 20061 23033 38223 69099 101791 114669 207297 305373 621891 916119 2748357 3155521 9466563 28399689 85199067