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492961 = 770423
BaseRepresentation
bin1111000010110100001
3221001012211
41320112201
5111233321
614322121
74122130
oct1702641
9831184
10492961
11307407
121b9341
131434c1
14cb917
159b0e1
hex785a1

492961 has 4 divisors (see below), whose sum is σ = 563392. Its totient is φ = 422532.

The previous prime is 492911. The next prime is 492967. The reversal of 492961 is 169294.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 492961 - 211 = 490913 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492967) 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, 35205 + ... + 35218.

It is an arithmetic number, because the mean of its divisors is an integer number (140848).

2492961 is an apocalyptic number.

It is an amenable number.

492961 is a deficient number, since it is larger than the sum of its proper divisors (70431).

492961 is an equidigital number, since it uses as much as digits as its factorization.

492961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70430.

The product of its digits is 3888, while the sum is 31.

The square root of 492961 is about 702.1118144569. Note that the first 3 decimals coincide. The cubic root of 492961 is about 78.9958337813.

The spelling of 492961 in words is "four hundred ninety-two thousand, nine hundred sixty-one".

Divisors: 1 7 70423 492961