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231210010 = 2545750593
BaseRepresentation
bin11011100011111…
…11110000011010
3121010001200111201
431301333300122
5433142210020
634535344414
75505152443
oct1561776032
9533050451
10231210010
1110956a559
126552210a
1338b93c75
14229c82ca
1515471a0a
hexdc7fc1a

231210010 has 16 divisors (see below), whose sum is σ = 417096936. Its totient is φ = 92279808.

The previous prime is 231209983. The next prime is 231210017. The reversal of 231210010 is 10012132.

It can be written as a sum of positive squares in 4 ways, for example, as 214944921 + 16265089 = 14661^2 + 4033^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (231210017) 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 in 7 ways as a sum of consecutive naturals, for example, 20727 + ... + 29866.

Almost surely, 2231210010 is an apocalyptic number.

231210010 is a deficient number, since it is larger than the sum of its proper divisors (185886926).

231210010 is a wasteful number, since it uses less digits than its factorization.

231210010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51057.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 231210010 is about 15205.5914057954. The cubic root of 231210010 is about 613.7651296041.

Adding to 231210010 its reverse (10012132), we get a palindrome (241222142).

The spelling of 231210010 in words is "two hundred thirty-one million, two hundred ten thousand, ten".

Divisors: 1 2 5 10 457 914 2285 4570 50593 101186 252965 505930 23121001 46242002 115605005 231210010