Search a number
-
+
207147 = 3292381
BaseRepresentation
bin110010100100101011
3101112011010
4302210223
523112042
64235003
71521633
oct624453
9345133
10207147
111316a6
129ba63
1373395
14556c3
154159c
hex3292b

207147 has 8 divisors (see below), whose sum is σ = 285840. Its totient is φ = 133280.

The previous prime is 207139. The next prime is 207169. The reversal of 207147 is 741702.

207147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 207147 - 23 = 207139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (207127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1104 + ... + 1277.

It is an arithmetic number, because the mean of its divisors is an integer number (35730).

2207147 is an apocalyptic number.

207147 is a deficient number, since it is larger than the sum of its proper divisors (78693).

207147 is a wasteful number, since it uses less digits than its factorization.

207147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 207147 is about 455.1340461886. The cubic root of 207147 is about 59.1688165147.

Adding to 207147 its reverse (741702), we get a palindrome (948849).

The spelling of 207147 in words is "two hundred seven thousand, one hundred forty-seven", and thus it is an iban number.

Divisors: 1 3 29 87 2381 7143 69049 207147