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551421452 = 22178109139
BaseRepresentation
bin100000110111100…
…000011000001100
31102102121010000202
4200313200120030
52112130441302
6130414513032
716444001501
oct4067403014
91372533022
10551421452
1126329910a
12134805778
138a31a4aa
145333d4a8
1533624202
hex20de060c

551421452 has 12 divisors (see below), whose sum is σ = 1021751640. Its totient is φ = 259492416.

The previous prime is 551421449. The next prime is 551421463. The reversal of 551421452 is 254124155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4054502 + ... + 4054637.

It is an arithmetic number, because the mean of its divisors is an integer number (85145970).

Almost surely, 2551421452 is an apocalyptic number.

It is an amenable number.

551421452 is a deficient number, since it is larger than the sum of its proper divisors (470330188).

551421452 is a wasteful number, since it uses less digits than its factorization.

551421452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8109160 (or 8109158 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 551421452 is about 23482.3647020482. The cubic root of 551421452 is about 820.0264972600.

The spelling of 551421452 in words is "five hundred fifty-one million, four hundred twenty-one thousand, four hundred fifty-two".

Divisors: 1 2 4 17 34 68 8109139 16218278 32436556 137855363 275710726 551421452