Search a number
-
+
1350044431 = 5922882109
BaseRepresentation
bin101000001111000…
…0000101100001111
310111002100100210121
41100132000230033
510231102410211
6341544045411
745312121411
oct12036005417
93432310717
101350044431
116330793aa
12318163867
1318690a678
14cb42a9b1
157d7c8271
hex50780b0f

1350044431 has 4 divisors (see below), whose sum is σ = 1372926600. Its totient is φ = 1327162264.

The previous prime is 1350044393. The next prime is 1350044459. The reversal of 1350044431 is 1344400531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1350044431 - 27 = 1350044303 is a prime.

It is a super-2 number, since 2×13500444312 = 3645239931348227522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1350044396 and 1350044405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350044491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11440996 + ... + 11441113.

It is an arithmetic number, because the mean of its divisors is an integer number (343231650).

Almost surely, 21350044431 is an apocalyptic number.

1350044431 is a deficient number, since it is larger than the sum of its proper divisors (22882169).

1350044431 is an equidigital number, since it uses as much as digits as its factorization.

1350044431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22882168.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1350044431 is about 36742.9507660993. The cubic root of 1350044431 is about 1105.2215742890.

Adding to 1350044431 its reverse (1344400531), we get a palindrome (2694444962).

The spelling of 1350044431 in words is "one billion, three hundred fifty million, forty-four thousand, four hundred thirty-one".

Divisors: 1 59 22882109 1350044431