Search a number
-
+
1242634683 = 34143234947
BaseRepresentation
bin100101000010001…
…0001100110111011
310012121020101022210
41022010101212323
510021103302213
6323145550203
742536135433
oct11204214673
93177211283
101242634683
11588486914
122a81a5363
1316a5a12c4
14bb06b2c3
157415d0c3
hex4a1119bb

1242634683 has 16 divisors (see below), whose sum is σ = 1736735616. Its totient is φ = 789418560.

The previous prime is 1242634663. The next prime is 1242634697. The reversal of 1242634683 is 3864362421.

It is not a de Polignac number, because 1242634683 - 213 = 1242626491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242634663) 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, 112185 + ... + 122762.

It is an arithmetic number, because the mean of its divisors is an integer number (108545976).

Almost surely, 21242634683 is an apocalyptic number.

1242634683 is a deficient number, since it is larger than the sum of its proper divisors (494100933).

1242634683 is a wasteful number, since it uses less digits than its factorization.

1242634683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235034.

The product of its digits is 165888, while the sum is 39.

The square root of 1242634683 is about 35251.0238574711. The cubic root of 1242634683 is about 1075.0974299291.

The spelling of 1242634683 in words is "one billion, two hundred forty-two million, six hundred thirty-four thousand, six hundred eighty-three".

Divisors: 1 3 41 43 123 129 1763 5289 234947 704841 9632827 10102721 28898481 30308163 414211561 1242634683