Search a number
-
+
1431003442 = 21165045611
BaseRepresentation
bin101010101001011…
…0110000100110010
310200201200111200111
41111102312010302
510412314102232
6353555211534
750314220461
oct12522660462
93621614614
101431003442
11674845080
1233b2a6baa
1319a6153cb
14d80a29d8
158596b047
hex554b6132

1431003442 has 8 divisors (see below), whose sum is σ = 2341642032. Its totient is φ = 650456100.

The previous prime is 1431003433. The next prime is 1431003479. The reversal of 1431003442 is 2443001341.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 65045611 = 1431003442 / (1 + 4 + 3 + 1 + 0 + 0 + 3 + 4 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32522784 + ... + 32522827.

It is an arithmetic number, because the mean of its divisors is an integer number (292705254).

Almost surely, 21431003442 is an apocalyptic number.

1431003442 is a deficient number, since it is larger than the sum of its proper divisors (910638590).

1431003442 is a wasteful number, since it uses less digits than its factorization.

1431003442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65045624.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1431003442 is about 37828.6061334541. The cubic root of 1431003442 is about 1126.8866297691.

Adding to 1431003442 its reverse (2443001341), we get a palindrome (3874004783).

The spelling of 1431003442 in words is "one billion, four hundred thirty-one million, three thousand, four hundred forty-two".

Divisors: 1 2 11 22 65045611 130091222 715501721 1431003442