Search a number
-
+
141639227 = 293948193
BaseRepresentation
bin10000111000100…
…11111000111011
3100212112000111022
420130103320323
5242224423402
622015453055
73336625232
oct1034237073
9325460438
10141639227
1172a51714
123b52718b
13234624c2
1414b4db19
15c67c2a2
hex8713e3b

141639227 has 4 divisors (see below), whose sum is σ = 141690360. Its totient is φ = 141588096.

The previous prime is 141639209. The next prime is 141639233. The reversal of 141639227 is 722936141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722936141 = 907797063.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-141639227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141633227) 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, 21158 + ... + 27035.

It is an arithmetic number, because the mean of its divisors is an integer number (35422590).

Almost surely, 2141639227 is an apocalyptic number.

141639227 is a deficient number, since it is larger than the sum of its proper divisors (51133).

141639227 is an equidigital number, since it uses as much as digits as its factorization.

141639227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51132.

The product of its digits is 18144, while the sum is 35.

The square root of 141639227 is about 11901.2279618533. The cubic root of 141639227 is about 521.2681412676.

The spelling of 141639227 in words is "one hundred forty-one million, six hundred thirty-nine thousand, two hundred twenty-seven".

Divisors: 1 2939 48193 141639227