Search a number
-
+
207405011 = 1121714091
BaseRepresentation
bin11000101110010…
…11111111010011
3112110021021012002
430113023333103
5411043430021
632325224215
75065625222
oct1427137723
9473237162
10207405011
11a7090500
125956206b
1333c7a978
141d78ccb9
151331d50b
hexc5cbfd3

207405011 has 6 divisors (see below), whose sum is σ = 227974236. Its totient is φ = 188549900.

The previous prime is 207404971. The next prime is 207405067. The reversal of 207405011 is 110504702.

It is not a de Polignac number, because 207405011 - 226 = 140296147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207402011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 856925 + ... + 857166.

It is an arithmetic number, because the mean of its divisors is an integer number (37995706).

Almost surely, 2207405011 is an apocalyptic number.

207405011 is a deficient number, since it is larger than the sum of its proper divisors (20569225).

207405011 is a wasteful number, since it uses less digits than its factorization.

207405011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714113 (or 1714102 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 207405011 is about 14401.5627971411. The cubic root of 207405011 is about 591.9337213890.

Adding to 207405011 its reverse (110504702), we get a palindrome (317909713).

The spelling of 207405011 in words is "two hundred seven million, four hundred five thousand, eleven".

Divisors: 1 11 121 1714091 18855001 207405011