Search a number
-
+
212431034 = 2315958073
BaseRepresentation
bin11001010100101…
…11000010111010
3112210201121121002
430222113002322
5413340243114
633025045002
75156430314
oct1452270272
9483647532
10212431034
11a9a03642
125b186762
133501a54a
14202da7b4
15139b27de
hexca970ba

212431034 has 16 divisors (see below), whose sum is σ = 334506240. Its totient is φ = 101045280.

The previous prime is 212431033. The next prime is 212431057. The reversal of 212431034 is 430134212.

212431034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212430997 and 212431015.

It is not an unprimeable number, because it can be changed into a prime (212431033) 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, 25379 + ... + 32694.

It is an arithmetic number, because the mean of its divisors is an integer number (20906640).

Almost surely, 2212431034 is an apocalyptic number.

212431034 is a deficient number, since it is larger than the sum of its proper divisors (122075206).

212431034 is a wasteful number, since it uses less digits than its factorization.

212431034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58165.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 212431034 is about 14575.0140308680. The cubic root of 212431034 is about 596.6770323026.

Adding to 212431034 its reverse (430134212), we get a palindrome (642565246).

The spelling of 212431034 in words is "two hundred twelve million, four hundred thirty-one thousand, thirty-four".

Divisors: 1 2 31 59 62 118 1829 3658 58073 116146 1800263 3426307 3600526 6852614 106215517 212431034