Search a number
-
+
331600153 = 2437136069
BaseRepresentation
bin10011110000111…
…101000100011001
3212002222000220011
4103300331010121
51134342201103
652523201521
711134361203
oct2360750431
9762860804
10331600153
111601a8115
12930762a1
1353913211
143207b773
151e1a1d6d
hex13c3d119

331600153 has 4 divisors (see below), whose sum is σ = 331738660. Its totient is φ = 331461648.

The previous prime is 331600151. The next prime is 331600163. The reversal of 331600153 is 351006133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 351006133 = 1918474007.

It can be written as a sum of positive squares in 2 ways, for example, as 243765769 + 87834384 = 15613^2 + 9372^2 .

It is a cyclic number.

It is not a de Polignac number, because 331600153 - 21 = 331600151 is a prime.

It is a super-2 number, since 2×3316001532 = 219917322939246818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331600151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65598 + ... + 70471.

It is an arithmetic number, because the mean of its divisors is an integer number (82934665).

Almost surely, 2331600153 is an apocalyptic number.

It is an amenable number.

331600153 is a deficient number, since it is larger than the sum of its proper divisors (138507).

331600153 is a wasteful number, since it uses less digits than its factorization.

331600153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138506.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 331600153 is about 18209.8916251580. The cubic root of 331600153 is about 692.1574653910.

Adding to 331600153 its reverse (351006133), we get a palindrome (682606286).

The spelling of 331600153 in words is "three hundred thirty-one million, six hundred thousand, one hundred fifty-three".

Divisors: 1 2437 136069 331600153