Search a number
-
+
1415941697 = 12109116933
BaseRepresentation
bin101010001100101…
…1000111001000001
310122200100021212002
41110121120321001
510344440113242
6352300313345
750042206622
oct12431307101
93580307762
101415941697
11667297a55
12336242855
13197470931
14d60a1a49
1584493432
hex54658e41

1415941697 has 4 divisors (see below), whose sum is σ = 1416070740. Its totient is φ = 1415812656.

The previous prime is 1415941691. The next prime is 1415941739. The reversal of 1415941697 is 7961495141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7961495141 = 18143986161.

It can be written as a sum of positive squares in 2 ways, for example, as 1361314816 + 54626881 = 36896^2 + 7391^2 .

It is a cyclic number.

It is not a de Polignac number, because 1415941697 - 26 = 1415941633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1415941691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46358 + ... + 70575.

It is an arithmetic number, because the mean of its divisors is an integer number (354017685).

Almost surely, 21415941697 is an apocalyptic number.

It is an amenable number.

1415941697 is a deficient number, since it is larger than the sum of its proper divisors (129043).

1415941697 is a wasteful number, since it uses less digits than its factorization.

1415941697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129042.

The product of its digits is 272160, while the sum is 47.

The square root of 1415941697 is about 37629.0007441069. Note that the first 3 decimals coincide. The cubic root of 1415941697 is about 1122.9190693245.

The spelling of 1415941697 in words is "one billion, four hundred fifteen million, nine hundred forty-one thousand, six hundred ninety-seven".

Divisors: 1 12109 116933 1415941697