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320410121 = 3741211213
BaseRepresentation
bin10011000110010…
…001001000001001
3211022220112001112
4103012101020021
51124011110441
651443300105
710640304203
oct2306211011
9738815045
10320410121
11154954959
128b37a635
13514c5ab5
14307a7773
151d1e14eb
hex13191209

320410121 has 8 divisors (see below), whose sum is σ = 337097544. Its totient is φ = 304145280.

The previous prime is 320410117. The next prime is 320410177. The reversal of 320410121 is 121014023.

It can be written as a sum of positive squares in 4 ways, for example, as 121 + 320410000 = 11^2 + 17900^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320410121 - 22 = 320410117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320410096 and 320410105.

It is not an unprimeable number, because it can be changed into a prime (320410021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104090 + ... + 107123.

It is an arithmetic number, because the mean of its divisors is an integer number (42137193).

Almost surely, 2320410121 is an apocalyptic number.

It is an amenable number.

320410121 is a deficient number, since it is larger than the sum of its proper divisors (16687423).

320410121 is a wasteful number, since it uses less digits than its factorization.

320410121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211291.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 320410121 is about 17900.0033798879. The cubic root of 320410121 is about 684.2824610281.

Adding to 320410121 its reverse (121014023), we get a palindrome (441424144).

The spelling of 320410121 in words is "three hundred twenty million, four hundred ten thousand, one hundred twenty-one".

Divisors: 1 37 41 1517 211213 7814881 8659733 320410121