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412122442 = 21489138389
BaseRepresentation
bin11000100100000…
…111110101001010
31001201110222201011
4120210013311022
51321000404232
6104521114134
713132661104
oct3044076512
91051428634
10412122442
111a16a5766
12b602894a
13674c7244
143ca3c574
15262aa547
hex18907d4a

412122442 has 8 divisors (see below), whose sum is σ = 618603300. Its totient is φ = 205921344.

The previous prime is 412122397. The next prime is 412122443. The reversal of 412122442 is 244221214.

It can be written as a sum of positive squares in 2 ways, for example, as 338523201 + 73599241 = 18399^2 + 8579^2 .

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

It is not an unprimeable number, because it can be changed into a prime (412122443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66217 + ... + 72172.

Almost surely, 2412122442 is an apocalyptic number.

412122442 is a deficient number, since it is larger than the sum of its proper divisors (206480858).

412122442 is a wasteful number, since it uses less digits than its factorization.

412122442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139880.

The product of its digits is 1024, while the sum is 22.

The square root of 412122442 is about 20300.7990483133. The cubic root of 412122442 is about 744.1755918173.

Adding to 412122442 its reverse (244221214), we get a palindrome (656343656).

The spelling of 412122442 in words is "four hundred twelve million, one hundred twenty-two thousand, four hundred forty-two".

Divisors: 1 2 1489 2978 138389 276778 206061221 412122442