Search a number
-
+
33131097 = 324877559
BaseRepresentation
bin111111001100…
…0101001011001
32022100020022200
41332120221121
531440143342
63142040413
7551416056
oct176305131
968306280
1033131097
111777997a
12b119109
136b301cc
14458602d
152d9694c
hex1f98a59

33131097 has 12 divisors (see below), whose sum is σ = 47960640. Its totient is φ = 22039128.

The previous prime is 33131089. The next prime is 33131107. The reversal of 33131097 is 79013133.

It is not a de Polignac number, because 33131097 - 23 = 33131089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33131097.

It is not an unprimeable number, because it can be changed into a prime (33131597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 604 + ... + 8162.

It is an arithmetic number, because the mean of its divisors is an integer number (3996720).

Almost surely, 233131097 is an apocalyptic number.

It is an amenable number.

33131097 is a deficient number, since it is larger than the sum of its proper divisors (14829543).

33131097 is a wasteful number, since it uses less digits than its factorization.

33131097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8052 (or 8049 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 33131097 is about 5755.9618657528. The cubic root of 33131097 is about 321.1776173683.

The spelling of 33131097 in words is "thirty-three million, one hundred thirty-one thousand, ninety-seven".

Divisors: 1 3 9 487 1461 4383 7559 22677 68031 3681233 11043699 33131097