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403892141 = 2413374973
BaseRepresentation
bin11000000100101…
…110011110101101
31001010222211212012
4120010232132231
51311344022031
6104024451005
713003012052
oct3004563655
91033884765
10403892141
11197a94164
12b3319a65
13658a5043
143b8d9029
15256d1b2b
hex1812e7ad

403892141 has 8 divisors (see below), whose sum is σ = 406853304. Its totient is φ = 400942080.

The previous prime is 403892129. The next prime is 403892179. The reversal of 403892141 is 141298304.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 86304100 + 317588041 = 9290^2 + 17821^2 .

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-403892141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403892098 and 403892107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403892641) 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, 78731 + ... + 83703.

It is an arithmetic number, because the mean of its divisors is an integer number (50856663).

Almost surely, 2403892141 is an apocalyptic number.

It is an amenable number.

403892141 is a deficient number, since it is larger than the sum of its proper divisors (2961163).

403892141 is a wasteful number, since it uses less digits than its factorization.

403892141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 403892141 is about 20097.0679702289. The cubic root of 403892141 is about 739.1883851834.

The spelling of 403892141 in words is "four hundred three million, eight hundred ninety-two thousand, one hundred forty-one".

Divisors: 1 241 337 4973 81217 1198493 1675901 403892141