Search a number
-
+
712060040 = 23517801501
BaseRepresentation
bin101010011100010…
…010110010001000
31211121212101202002
4222130102302020
52424241410130
6154353530132
723434260536
oct5234226210
91747771662
10712060040
11335a3727a
1217a573948
13b46a2803
146a7d7156
15427a5b45
hex2a712c88

712060040 has 16 divisors (see below), whose sum is σ = 1602135180. Its totient is φ = 284824000.

The previous prime is 712060021. The next prime is 712060051. The reversal of 712060040 is 40060217.

It can be written as a sum of positive squares in 2 ways, for example, as 693690244 + 18369796 = 26338^2 + 4286^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 712059994 and 712060021.

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, 8900711 + ... + 8900790.

Almost surely, 2712060040 is an apocalyptic number.

It is an amenable number.

712060040 is an abundant number, since it is smaller than the sum of its proper divisors (890075140).

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

712060040 is a wasteful number, since it uses less digits than its factorization.

712060040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17801512 (or 17801508 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 712060040 is about 26684.4531516012. The cubic root of 712060040 is about 892.9741179709.

The spelling of 712060040 in words is "seven hundred twelve million, sixty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 17801501 35603002 71206004 89007505 142412008 178015010 356030020 712060040