Search a number
-
+
799402840 = 23519985071
BaseRepresentation
bin101111101001011…
…110101101011000
32001201012212112121
4233221132231120
53114121342330
6211153551024
725544545345
oct5751365530
92051185477
10799402840
11380273205
121a3875474
13c9804142
14782517cc
154a2aa17a
hex2fa5eb58

799402840 has 16 divisors (see below), whose sum is σ = 1798656480. Its totient is φ = 319761120.

The previous prime is 799402811. The next prime is 799402841. The reversal of 799402840 is 48204997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799402841) 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, 9992496 + ... + 9992575.

It is an arithmetic number, because the mean of its divisors is an integer number (112416030).

Almost surely, 2799402840 is an apocalyptic number.

It is an amenable number.

799402840 is an abundant number, since it is smaller than the sum of its proper divisors (999253640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

799402840 is a wasteful number, since it uses less digits than its factorization.

799402840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19985082 (or 19985078 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 799402840 is about 28273.7128796343. The cubic root of 799402840 is about 928.0867282945.

The spelling of 799402840 in words is "seven hundred ninety-nine million, four hundred two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 19985071 39970142 79940284 99925355 159880568 199850710 399701420 799402840