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405411223 = 7172200401
BaseRepresentation
bin11000001010100…
…001010110010111
31001020212000122111
4120022201112113
51312241124343
6104121211451
713021636630
oct3012412627
91036760574
10405411223
111989314a8
12b3930b87
1365cb75c9
143bbb2887
15258d1c9d
hex182a1597

405411223 has 12 divisors (see below), whose sum is σ = 492187312. Its totient is φ = 327052800.

The previous prime is 405411191. The next prime is 405411229. The reversal of 405411223 is 322114504.

It is not a de Polignac number, because 405411223 - 25 = 405411191 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405411194 and 405411203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405411229) 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 11 ways as a sum of consecutive naturals, for example, 98178 + ... + 102223.

Almost surely, 2405411223 is an apocalyptic number.

405411223 is a deficient number, since it is larger than the sum of its proper divisors (86776089).

405411223 is a wasteful number, since it uses less digits than its factorization.

405411223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200442 (or 200425 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 405411223 is about 20134.8261229145. The cubic root of 405411223 is about 740.1139482430.

Adding to 405411223 its reverse (322114504), we get a palindrome (727525727).

The spelling of 405411223 in words is "four hundred five million, four hundred eleven thousand, two hundred twenty-three".

Divisors: 1 7 17 119 289 2023 200401 1402807 3406817 23847719 57915889 405411223