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1407070717 = 13108236209
BaseRepresentation
bin101001111011110…
…0011000111111101
310122001122121011021
41103313203013331
510340202230332
6351342224141
746603621663
oct12367430775
93561577137
101407070717
11662289068
12333285051
13195685c30
14d4c32c33
15837dec97
hex53de31fd

1407070717 has 4 divisors (see below), whose sum is σ = 1515306940. Its totient is φ = 1298834496.

The previous prime is 1407070681. The next prime is 1407070723. The reversal of 1407070717 is 7170707041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7170707041 = 37193802893.

It can be written as a sum of positive squares in 2 ways, for example, as 54375876 + 1352694841 = 7374^2 + 36779^2 .

It is a cyclic number.

It is not a de Polignac number, because 1407070717 - 211 = 1407068669 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 (1407070757) 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, 54118092 + ... + 54118117.

It is an arithmetic number, because the mean of its divisors is an integer number (378826735).

Almost surely, 21407070717 is an apocalyptic number.

It is an amenable number.

1407070717 is a deficient number, since it is larger than the sum of its proper divisors (108236223).

1407070717 is a wasteful number, since it uses less digits than its factorization.

1407070717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108236222.

The product of its (nonzero) digits is 9604, while the sum is 34.

The square root of 1407070717 is about 37510.9412971735. The cubic root of 1407070717 is about 1120.5690977373.

Adding to 1407070717 its reverse (7170707041), we get a palindrome (8577777758).

The spelling of 1407070717 in words is "one billion, four hundred seven million, seventy thousand, seven hundred seventeen".

Divisors: 1 13 108236209 1407070717