Search a number
-
+
149258585 = 5719224449
BaseRepresentation
bin10001110010110…
…00000101011001
3101101212010021202
420321120011121
5301202233320
622451043545
73461451140
oct1071300531
9341763252
10149258585
1177286203
1241ba05b5
1324bcc5b8
1415b74757
15d184b75
hex8e58159

149258585 has 16 divisors (see below), whose sum is σ = 215472000. Its totient is φ = 96961536.

The previous prime is 149258581. The next prime is 149258587. The reversal of 149258585 is 585852941.

It is not a de Polignac number, because 149258585 - 22 = 149258581 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149258581) 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, 111560 + ... + 112889.

It is an arithmetic number, because the mean of its divisors is an integer number (13467000).

Almost surely, 2149258585 is an apocalyptic number.

It is an amenable number.

149258585 is a deficient number, since it is larger than the sum of its proper divisors (66213415).

149258585 is a wasteful number, since it uses less digits than its factorization.

149258585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224480.

The product of its digits is 576000, while the sum is 47.

The square root of 149258585 is about 12217.1430784779. The cubic root of 149258585 is about 530.4524260725.

The spelling of 149258585 in words is "one hundred forty-nine million, two hundred fifty-eight thousand, five hundred eighty-five".

Divisors: 1 5 7 19 35 95 133 665 224449 1122245 1571143 4264531 7855715 21322655 29851717 149258585