Search a number
-
+
146897 = 178641
BaseRepresentation
bin100011110111010001
321110111122
4203313101
514200042
63052025
71151162
oct436721
9243448
10146897
11a0403
1271015
1351b2a
143b769
152d7d2
hex23dd1

146897 has 4 divisors (see below), whose sum is σ = 155556. Its totient is φ = 138240.

The previous prime is 146893. The next prime is 146917. The reversal of 146897 is 798641.

146897 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50176 + 96721 = 224^2 + 311^2 .

It is a cyclic number.

It is not a de Polignac number, because 146897 - 22 = 146893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146891) 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, 4304 + ... + 4337.

It is an arithmetic number, because the mean of its divisors is an integer number (38889).

2146897 is an apocalyptic number.

146897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

146897 is a deficient number, since it is larger than the sum of its proper divisors (8659).

146897 is an equidigital number, since it uses as much as digits as its factorization.

146897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8658.

The product of its digits is 12096, while the sum is 35.

The square root of 146897 is about 383.2714442794. The cubic root of 146897 is about 52.7639915567.

The spelling of 146897 in words is "one hundred forty-six thousand, eight hundred ninety-seven".

Divisors: 1 17 8641 146897