Search a number
-
+
634231030 = 25619531091
BaseRepresentation
bin100101110011011…
…001100011110110
31122012102021102011
4211303121203312
52244330343110
6142533434434
721500606026
oct4563314366
91565367364
10634231030
112a6009184
1215849ba1a
13a1522644
1460337a86
153aa3048a
hex25cd98f6

634231030 has 32 divisors (see below), whose sum is σ = 1162613088. Its totient is φ = 249043200.

The previous prime is 634231021. The next prime is 634231057. The reversal of 634231030 is 30132436.

It is a junction number, because it is equal to n+sod(n) for n = 634230992 and 634231010.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 580785 + ... + 581875.

It is an arithmetic number, because the mean of its divisors is an integer number (36331659).

Almost surely, 2634231030 is an apocalyptic number.

634231030 is a deficient number, since it is larger than the sum of its proper divisors (528382058).

634231030 is a wasteful number, since it uses less digits than its factorization.

634231030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 634231030 is about 25183.9438928854. The cubic root of 634231030 is about 859.1767089476.

Adding to 634231030 its reverse (30132436), we get a palindrome (664363466).

The spelling of 634231030 in words is "six hundred thirty-four million, two hundred thirty-one thousand, thirty".

Divisors: 1 2 5 10 61 122 305 610 953 1091 1906 2182 4765 5455 9530 10910 58133 66551 116266 133102 290665 332755 581330 665510 1039723 2079446 5198615 10397230 63423103 126846206 317115515 634231030