Search a number
-
+
1425044263 = 13910252117
BaseRepresentation
bin101010011110000…
…0111001100100111
310200022110202020011
41110330013030213
510404302404023
6353223351051
750212450666
oct12474071447
93608422204
101425044263
11671444935
123392b2487
13199309b76
14d7390ddd
158519050d
hex54f07327

1425044263 has 4 divisors (see below), whose sum is σ = 1435296520. Its totient is φ = 1414792008.

The previous prime is 1425044191. The next prime is 1425044273. The reversal of 1425044263 is 3624405241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3624405241 = 7933456877.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1425044263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425044273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5125920 + ... + 5126197.

It is an arithmetic number, because the mean of its divisors is an integer number (358824130).

Almost surely, 21425044263 is an apocalyptic number.

1425044263 is a deficient number, since it is larger than the sum of its proper divisors (10252257).

1425044263 is a wasteful number, since it uses less digits than its factorization.

1425044263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10252256.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 1425044263 is about 37749.7584495583. The cubic root of 1425044263 is about 1125.3202085706.

It can be divided in two parts, 142 and 5044263, that added together give a palindrome (5044405).

The spelling of 1425044263 in words is "one billion, four hundred twenty-five million, forty-four thousand, two hundred sixty-three".

Divisors: 1 139 10252117 1425044263