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551411430 = 23523799147
BaseRepresentation
bin100000110111011…
…101111011100110
31102102120121021120
4200313131323212
52112130131210
6130414354410
716443630333
oct4067357346
91372517246
10551411430
11263291629
121347bba06
138a315a6b
145333998a
1533621270
hex20dddee6

551411430 has 32 divisors (see below), whose sum is σ = 1380927744. Its totient is φ = 140649696.

The previous prime is 551411387. The next prime is 551411447. The reversal of 551411430 is 34114155.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 551411430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398884 + ... + 400263.

It is an arithmetic number, because the mean of its divisors is an integer number (43153992).

Almost surely, 2551411430 is an apocalyptic number.

551411430 is an abundant number, since it is smaller than the sum of its proper divisors (829516314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551411430 is a wasteful number, since it uses less digits than its factorization.

551411430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799180.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 551411430 is about 23482.1513068969. The cubic root of 551411430 is about 820.0215292781.

Adding to 551411430 its reverse (34114155), we get a palindrome (585525585).

The spelling of 551411430 in words is "five hundred fifty-one million, four hundred eleven thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 799147 1598294 2397441 3995735 4794882 7991470 11987205 18380381 23974410 36760762 55141143 91901905 110282286 183803810 275705715 551411430