Search a number
-
+
85950137 = 7133113037
BaseRepresentation
bin1010001111101…
…11111010111001
312222201201102102
411013313322321
5134000401022
612310113145
72062364330
oct507677271
9188651372
1085950137
1144575679
122494b7b5
1314a64790
14b5b4d17
15782ba92
hex51f7eb9

85950137 has 16 divisors (see below), whose sum is σ = 106159872. Its totient is φ = 67763520.

The previous prime is 85950083. The next prime is 85950157. The reversal of 85950137 is 73105958.

It is a cyclic number.

It is not a de Polignac number, because 85950137 - 212 = 85946041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85950137.

It is not an unprimeable number, because it can be changed into a prime (85950157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26783 + ... + 29819.

It is an arithmetic number, because the mean of its divisors is an integer number (6634992).

Almost surely, 285950137 is an apocalyptic number.

It is an amenable number.

85950137 is a deficient number, since it is larger than the sum of its proper divisors (20209735).

85950137 is a wasteful number, since it uses less digits than its factorization.

85950137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 85950137 is about 9270.9296729077. The cubic root of 85950137 is about 441.3151714068.

The spelling of 85950137 in words is "eighty-five million, nine hundred fifty thousand, one hundred thirty-seven".

Divisors: 1 7 13 91 311 2177 3037 4043 21259 28301 39481 276367 944507 6611549 12278591 85950137