Search a number
-
+
207072041 = 1118824731
BaseRepresentation
bin11000101011110…
…10101100101001
3112102122100102212
430111322230221
5411002301131
632314134505
75063040401
oct1425725451
9472570385
10207072041
11a6983320
1259421435
1333b92247
141d703801
15132a4a2b
hexc57ab29

207072041 has 4 divisors (see below), whose sum is σ = 225896784. Its totient is φ = 188247300.

The previous prime is 207072031. The next prime is 207072049. The reversal of 207072041 is 140270702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 207072041 - 210 = 207071017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 207071998 and 207072016.

It is not an unprimeable number, because it can be changed into a prime (207072049) 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, 9412355 + ... + 9412376.

It is an arithmetic number, because the mean of its divisors is an integer number (56474196).

Almost surely, 2207072041 is an apocalyptic number.

It is an amenable number.

207072041 is a deficient number, since it is larger than the sum of its proper divisors (18824743).

207072041 is a wasteful number, since it uses less digits than its factorization.

207072041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18824742.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 207072041 is about 14389.9979499651. The cubic root of 207072041 is about 591.6167863612.

The spelling of 207072041 in words is "two hundred seven million, seventy-two thousand, forty-one".

Divisors: 1 11 18824731 207072041