Search a number
-
+
4003345423 = 73114912161
BaseRepresentation
bin1110111010011110…
…0011010000001111
3101100000000000111201
43232213203100033
531144324023143
61501125330331
7201130606000
oct35647432017
911300000451
104003345423
111774869740
129388669a7
134ba52335c
1429d9851a7
151866d664d
hexee9e340f

4003345423 has 32 divisors (see below), whose sum is σ = 5105779200. Its totient is φ = 3111696000.

The previous prime is 4003345421. The next prime is 4003345447. The reversal of 4003345423 is 3245433004.

It is not a de Polignac number, because 4003345423 - 21 = 4003345421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4003345391 and 4003345400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4003345421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1851463 + ... + 1853623.

It is an arithmetic number, because the mean of its divisors is an integer number (159555600).

Almost surely, 24003345423 is an apocalyptic number.

4003345423 is a deficient number, since it is larger than the sum of its proper divisors (1102433777).

4003345423 is a wasteful number, since it uses less digits than its factorization.

4003345423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684 (or 2670 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 4003345423 is about 63271.9955667592. The cubic root of 4003345423 is about 1587.8434726499.

Adding to 4003345423 its reverse (3245433004), we get a palindrome (7248778427).

The spelling of 4003345423 in words is "four billion, three million, three hundred forty-five thousand, four hundred twenty-three".

Divisors: 1 7 11 49 77 343 491 539 2161 3437 3773 5401 15127 23771 24059 37807 105889 166397 168413 264649 741223 1061051 1164779 1852543 7427357 8153453 11671561 51991499 81700927 363940493 571906489 4003345423