Search a number
-
+
1424336545 = 5284867309
BaseRepresentation
bin101010011100101…
…1010011010100001
310200021010210102101
41110321122122201
510404112232140
6353200250401
750203442452
oct12471323241
93607123371
101424336545
11671001145
12339010a01
1319911c9b8
14d7249129
15850a099a
hex54e5a6a1

1424336545 has 4 divisors (see below), whose sum is σ = 1709203860. Its totient is φ = 1139469232.

The previous prime is 1424336521. The next prime is 1424336587. The reversal of 1424336545 is 5456334241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5456334241 = 37147468493.

It can be written as a sum of positive squares in 2 ways, for example, as 199826496 + 1224510049 = 14136^2 + 34993^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424336545 - 29 = 1424336033 is a prime.

It is a super-3 number, since 3×14243365453 (a number of 28 digits) contains 333 as substring.

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, 142433650 + ... + 142433659.

It is an arithmetic number, because the mean of its divisors is an integer number (427300965).

Almost surely, 21424336545 is an apocalyptic number.

It is an amenable number.

1424336545 is a deficient number, since it is larger than the sum of its proper divisors (284867315).

1424336545 is an equidigital number, since it uses as much as digits as its factorization.

1424336545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284867314.

The product of its digits is 172800, while the sum is 37.

The square root of 1424336545 is about 37740.3834771190. The cubic root of 1424336545 is about 1125.1338889209.

The spelling of 1424336545 in words is "one billion, four hundred twenty-four million, three hundred thirty-six thousand, five hundred forty-five".

Divisors: 1 5 284867309 1424336545