Search a number
-
+
1201342442 = 23119376491
BaseRepresentation
bin100011110011011…
…0000011111101010
310002201112112000112
41013212300133222
54430020424232
6315112534322
741525146046
oct10746603752
93081475015
101201342442
115671433a3
122963b13a2
13161b74521
14b579d026
15707034b2
hex479b07ea

1201342442 has 8 divisors (see below), whose sum is σ = 1860143232. Its totient is φ = 581294700.

The previous prime is 1201342423. The next prime is 1201342447. The reversal of 1201342442 is 2442431021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1201342447) 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 3 ways as a sum of consecutive naturals, for example, 9688184 + ... + 9688307.

It is an arithmetic number, because the mean of its divisors is an integer number (232517904).

Almost surely, 21201342442 is an apocalyptic number.

1201342442 is a deficient number, since it is larger than the sum of its proper divisors (658800790).

1201342442 is a wasteful number, since it uses less digits than its factorization.

1201342442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19376524.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1201342442 is about 34660.3872165329. The cubic root of 1201342442 is about 1063.0546874774.

Adding to 1201342442 its reverse (2442431021), we get a palindrome (3643773463).

The spelling of 1201342442 in words is "one billion, two hundred one million, three hundred forty-two thousand, four hundred forty-two".

Divisors: 1 2 31 62 19376491 38752982 600671221 1201342442