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412123321 = 2920816829
BaseRepresentation
bin11000100100001…
…000000010111001
31001201111000220201
4120210020002321
51321000421241
6104521122201
713132663501
oct3044100271
91051430821
10412123321
111a16a6395
12b6029361
13674c776c
143ca3ca01
15262aa931
hex189080b9

412123321 has 8 divisors (see below), whose sum is σ = 426601800. Its totient is φ = 397662720.

The previous prime is 412123277. The next prime is 412123337. The reversal of 412123321 is 123321214.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 52490025 + 359633296 = 7245^2 + 18964^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-412123321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412123351) 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, 56935 + ... + 63763.

It is an arithmetic number, because the mean of its divisors is an integer number (53325225).

Almost surely, 2412123321 is an apocalyptic number.

It is an amenable number.

412123321 is a deficient number, since it is larger than the sum of its proper divisors (14478479).

412123321 is a wasteful number, since it uses less digits than its factorization.

412123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8939.

The product of its digits is 288, while the sum is 19.

The square root of 412123321 is about 20300.8206976959. The cubic root of 412123321 is about 744.1761208913.

Adding to 412123321 its reverse (123321214), we get a palindrome (535444535).

The spelling of 412123321 in words is "four hundred twelve million, one hundred twenty-three thousand, three hundred twenty-one".

Divisors: 1 29 2081 6829 60349 198041 14211149 412123321