Search a number
-
+
210131060 = 22520175209
BaseRepresentation
bin11001000011001…
…01100001110100
3112122101202121212
430201211201310
5412243143220
632503500552
75131040666
oct1441454164
9478352555
10210131060
11a8682637
125a457758
13346c3709
141dc9c536
15136ab0c5
hexc865874

210131060 has 24 divisors (see below), whose sum is σ = 441578760. Its totient is φ = 83994624.

The previous prime is 210131057. The next prime is 210131063. The reversal of 210131060 is 60131012.

It is an interprime number because it is at equal distance from previous prime (210131057) and next prime (210131063).

It can be written as a sum of positive squares in 4 ways, for example, as 115691536 + 94439524 = 10756^2 + 9718^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210131063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37736 + ... + 42944.

It is an arithmetic number, because the mean of its divisors is an integer number (18399115).

Almost surely, 2210131060 is an apocalyptic number.

210131060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210131060 is an abundant number, since it is smaller than the sum of its proper divisors (231447700).

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

210131060 is a wasteful number, since it uses less digits than its factorization.

210131060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7235 (or 7233 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 210131060 is about 14495.8980404803. The cubic root of 210131060 is about 594.5158220078.

Adding to 210131060 its reverse (60131012), we get a palindrome (270262072).

The spelling of 210131060 in words is "two hundred ten million, one hundred thirty-one thousand, sixty".

Divisors: 1 2 4 5 10 20 2017 4034 5209 8068 10085 10418 20170 20836 26045 40340 52090 104180 10506553 21013106 42026212 52532765 105065530 210131060