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147127 = 167881
BaseRepresentation
bin100011111010110111
321110211011
4203322313
514202002
63053051
71151641
oct437267
9243734
10147127
11a05a2
1271187
1351c76
143b891
152d8d7
hex23eb7

147127 has 4 divisors (see below), whose sum is σ = 148176. Its totient is φ = 146080.

The previous prime is 147107. The next prime is 147137. The reversal of 147127 is 721741.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 721741 = 1275683.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-147127 is a prime.

It is a Duffinian number.

147127 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 147098 and 147107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147107) 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, 274 + ... + 607.

It is an arithmetic number, because the mean of its divisors is an integer number (37044).

2147127 is an apocalyptic number.

147127 is a deficient number, since it is larger than the sum of its proper divisors (1049).

147127 is an equidigital number, since it uses as much as digits as its factorization.

147127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048.

The product of its digits is 392, while the sum is 22.

The square root of 147127 is about 383.5713753658. The cubic root of 147127 is about 52.7915151272.

Adding to 147127 its reverse (721741), we get a palindrome (868868).

The spelling of 147127 in words is "one hundred forty-seven thousand, one hundred twenty-seven", and thus it is an iban number.

Divisors: 1 167 881 147127