Search a number
-
+
2240004439 = 17131764967
BaseRepresentation
bin1000010110000011…
…1100000101010111
312210002222000102101
42011200330011113
514041420120224
61010135022531
7106336503121
oct20540740527
95702860371
102240004439
11a4a473542
1252620aa47
132990ca21a
141736d2211
15d19c0044
hex8583c157

2240004439 has 4 divisors (see below), whose sum is σ = 2371769424. Its totient is φ = 2108239456.

The previous prime is 2240004433. The next prime is 2240004467. The reversal of 2240004439 is 9344000422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9344000422 = 24672000211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2240004439 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 (2240004433) 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, 65882467 + ... + 65882500.

It is an arithmetic number, because the mean of its divisors is an integer number (592942356).

Almost surely, 22240004439 is an apocalyptic number.

2240004439 is a deficient number, since it is larger than the sum of its proper divisors (131764985).

2240004439 is a wasteful number, since it uses less digits than its factorization.

2240004439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131764984.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2240004439 is about 47328.6851602704. The cubic root of 2240004439 is about 1308.4273883763.

The spelling of 2240004439 in words is "two billion, two hundred forty million, four thousand, four hundred thirty-nine".

Divisors: 1 17 131764967 2240004439