Search a number
-
+
213183902 = 2106591951
BaseRepresentation
bin11001011010011…
…10110110011110
3112212010212100002
430231032312132
5414033341102
633053134302
75166014261
oct1455166636
9485125302
10213183902
11aa378248
125b48a392
1335222129
1420454cd8
1513ab0902
hexcb4ed9e

213183902 has 4 divisors (see below), whose sum is σ = 319775856. Its totient is φ = 106591950.

The previous prime is 213183889. The next prime is 213183907. The reversal of 213183902 is 209381312.

213183902 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213183907) 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 as a sum of consecutive naturals, namely, 53295974 + ... + 53295977.

It is an arithmetic number, because the mean of its divisors is an integer number (79943964).

Almost surely, 2213183902 is an apocalyptic number.

213183902 is a deficient number, since it is larger than the sum of its proper divisors (106591954).

213183902 is a wasteful number, since it uses less digits than its factorization.

213183902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106591953.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 213183902 is about 14600.8185386984. The cubic root of 213183902 is about 597.3810873109.

The spelling of 213183902 in words is "two hundred thirteen million, one hundred eighty-three thousand, nine hundred two".

Divisors: 1 2 106591951 213183902