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491342 = 2245671
BaseRepresentation
bin1110111111101001110
3220221222212
41313331032
5111210332
614310422
74114325
oct1677516
9827885
10491342
11306175
121b8412
13142847
14cb0bc
159a8b2
hex77f4e

491342 has 4 divisors (see below), whose sum is σ = 737016. Its totient is φ = 245670.

The previous prime is 491341. The next prime is 491353. The reversal of 491342 is 243194.

491342 is nontrivially palindromic in base 14.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122834 + ... + 122837.

It is an arithmetic number, because the mean of its divisors is an integer number (184254).

2491342 is an apocalyptic number.

491342 is a deficient number, since it is larger than the sum of its proper divisors (245674).

491342 is a wasteful number, since it uses less digits than its factorization.

491342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245673.

The product of its digits is 864, while the sum is 23.

The square root of 491342 is about 700.9579159978. The cubic root of 491342 is about 78.9092586279.

The spelling of 491342 in words is "four hundred ninety-one thousand, three hundred forty-two".

Divisors: 1 2 245671 491342