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551234212 = 22137808553
BaseRepresentation
bin100000110110110…
…010101010100100
31102102020121011221
4200312302222210
52112103443322
6130410510124
716442261554
oct4066625244
91372217157
10551234212
11263180471
12134735344
138a2831b9
14532d1164
15335d89c7
hex20db2aa4

551234212 has 6 divisors (see below), whose sum is σ = 964659878. Its totient is φ = 275617104.

The previous prime is 551234209. The next prime is 551234237. The reversal of 551234212 is 212432155.

It can be written as a sum of positive squares in only one way, i.e., 427000896 + 124233316 = 20664^2 + 11146^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 68904273 + ... + 68904280.

Almost surely, 2551234212 is an apocalyptic number.

It is an amenable number.

551234212 is a deficient number, since it is larger than the sum of its proper divisors (413425666).

551234212 is a wasteful number, since it uses less digits than its factorization.

551234212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137808557 (or 137808555 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 551234212 is about 23478.3775419001. The cubic root of 551234212 is about 819.9336710180.

Adding to 551234212 its reverse (212432155), we get a palindrome (763666367).

The spelling of 551234212 in words is "five hundred fifty-one million, two hundred thirty-four thousand, two hundred twelve".

Divisors: 1 2 4 137808553 275617106 551234212