Search a number
-
+
158285466 = 232191313533
BaseRepresentation
bin10010110111100…
…11111010011010
3102000211201211200
421123303322122
5311010113331
623412335030
73631255443
oct1133637232
9360751750
10158285466
1181391239
1245014476
1326a40251
14170442ca
15dd695e6
hex96f3e9a

158285466 has 48 divisors (see below), whose sum is σ = 363860640. Its totient is φ = 49589280.

The previous prime is 158285459. The next prime is 158285467. The reversal of 158285466 is 664582851.

158285466 is a `hidden beast` number, since 1 + 582 + 8 + 5 + 4 + 66 = 666.

It is not an unprimeable number, because it can be changed into a prime (158285467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43036 + ... + 46568.

It is an arithmetic number, because the mean of its divisors is an integer number (7580430).

Almost surely, 2158285466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158285466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181930320).

158285466 is an abundant number, since it is smaller than the sum of its proper divisors (205575174).

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

158285466 is a wasteful number, since it uses less digits than its factorization.

158285466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691 (or 3688 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 158285466 is about 12581.1551933835. The cubic root of 158285466 is about 540.9374047069.

The spelling of 158285466 in words is "one hundred fifty-eight million, two hundred eighty-five thousand, four hundred sixty-six".

Divisors: 1 2 3 6 9 18 19 38 57 114 131 171 262 342 393 786 1179 2358 2489 3533 4978 7066 7467 10599 14934 21198 22401 31797 44802 63594 67127 134254 201381 402762 462823 604143 925646 1208286 1388469 2776938 4165407 8330814 8793637 17587274 26380911 52761822 79142733 158285466