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202311164 = 2211191391741
BaseRepresentation
bin11000000111100…
…00010111111100
3112002200110202002
430003300113330
5403242424124
632024121432
75004421316
oct1403602774
9462613662
10202311164
11a4221410
1257906278
1332bb6263
141cc247b6
1512b640ae
hexc0f05fc

202311164 has 48 divisors (see below), whose sum is σ = 409718400. Its totient is φ = 86443200.

The previous prime is 202311143. The next prime is 202311167. The reversal of 202311164 is 461113202.

202311164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202311167) 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, 115334 + ... + 117074.

It is an arithmetic number, because the mean of its divisors is an integer number (8535800).

Almost surely, 2202311164 is an apocalyptic number.

It is an amenable number.

202311164 is an abundant number, since it is smaller than the sum of its proper divisors (207407236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202311164 is a wasteful number, since it uses less digits than its factorization.

202311164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 1912 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 202311164 is about 14223.6129024942. The cubic root of 202311164 is about 587.0475541112.

Adding to 202311164 its reverse (461113202), we get a palindrome (663424366).

The spelling of 202311164 in words is "two hundred two million, three hundred eleven thousand, one hundred sixty-four".

Divisors: 1 2 4 11 19 22 38 44 76 139 209 278 418 556 836 1529 1741 2641 3058 3482 5282 6116 6964 10564 19151 29051 33079 38302 58102 66158 76604 116204 132316 241999 363869 483998 727738 967996 1455476 2661989 4597981 5323978 9195962 10647956 18391924 50577791 101155582 202311164