Search a number
-
+
359081 = 1918899
BaseRepresentation
bin1010111101010101001
3200020120022
41113222221
542442311
611410225
73023612
oct1275251
9606508
10359081
11225868
12153975
13c7598
1494c09
15715db
hex57aa9

359081 has 4 divisors (see below), whose sum is σ = 378000. Its totient is φ = 340164.

The previous prime is 359069. The next prime is 359101. The reversal of 359081 is 180953.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180953 = 593067.

It is a cyclic number.

It is not a de Polignac number, because 359081 - 26 = 359017 is a prime.

It is a super-2 number, since 2×3590812 = 257878329122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 359081.

It is not an unprimeable number, because it can be changed into a prime (359041) 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 3 ways as a sum of consecutive naturals, for example, 9431 + ... + 9468.

It is an arithmetic number, because the mean of its divisors is an integer number (94500).

2359081 is an apocalyptic number.

It is an amenable number.

359081 is a deficient number, since it is larger than the sum of its proper divisors (18919).

359081 is a wasteful number, since it uses less digits than its factorization.

359081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18918.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 359081 is about 599.2336772913. The cubic root of 359081 is about 71.0772814529.

The spelling of 359081 in words is "three hundred fifty-nine thousand, eighty-one".

Divisors: 1 19 18899 359081