Search a number
-
+
1425024445 = 51321923453
BaseRepresentation
bin101010011110000…
…0010010110111101
310200022102202001011
41110330002112331
510404301240240
6353223115221
750212336135
oct12474022675
93608382034
101425024445
11671430a59
123392a2b11
13199300b40
14d7387ac5
15851896ea
hex54f025bd

1425024445 has 8 divisors (see below), whose sum is σ = 1841570136. Its totient is φ = 1052325696.

The previous prime is 1425024431. The next prime is 1425024449. The reversal of 1425024445 is 5444205241.

It can be written as a sum of positive squares in 4 ways, for example, as 170589721 + 1254434724 = 13061^2 + 35418^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1425024445 - 215 = 1424991677 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 (1425024449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10961662 + ... + 10961791.

It is an arithmetic number, because the mean of its divisors is an integer number (230196267).

Almost surely, 21425024445 is an apocalyptic number.

It is an amenable number.

1425024445 is a deficient number, since it is larger than the sum of its proper divisors (416545691).

1425024445 is a wasteful number, since it uses less digits than its factorization.

1425024445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21923471.

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 1425024445 is about 37749.4959568999. The cubic root of 1425024445 is about 1125.3149919609.

Adding to 1425024445 its reverse (5444205241), we get a palindrome (6869229686).

The spelling of 1425024445 in words is "one billion, four hundred twenty-five million, twenty-four thousand, four hundred forty-five".

Divisors: 1 5 13 65 21923453 109617265 285004889 1425024445