Search a number
-
+
207468271 = 1721120551
BaseRepresentation
bin11000101110110…
…11011011101111
3112110101110222001
430113123123233
5411102441041
632330433131
75066310523
oct1427333357
9473343861
10207468271
11a7123a8a
12595927a7
1333ca06ba
141d7a7d83
1513332131
hexc5db6ef

207468271 has 4 divisors (see below), whose sum is σ = 207590544. Its totient is φ = 207346000.

The previous prime is 207468253. The next prime is 207468281. The reversal of 207468271 is 172864702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172864702 = 286432351.

It is a cyclic number.

It is not a de Polignac number, because 207468271 - 27 = 207468143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 207468271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207468281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58555 + ... + 61996.

It is an arithmetic number, because the mean of its divisors is an integer number (51897636).

Almost surely, 2207468271 is an apocalyptic number.

207468271 is a deficient number, since it is larger than the sum of its proper divisors (122273).

207468271 is a wasteful number, since it uses less digits than its factorization.

207468271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122272.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 207468271 is about 14403.7589191155. The cubic root of 207468271 is about 591.9938965998.

The spelling of 207468271 in words is "two hundred seven million, four hundred sixty-eight thousand, two hundred seventy-one".

Divisors: 1 1721 120551 207468271