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551420514 = 23310211491
BaseRepresentation
bin100000110111100…
…000001001100010
31102102121001202000
4200313200021202
52112130424024
6130414504430
716443665661
oct4067401142
91372531660
10551420514
11263298437
12134805116
138a319c38
145333cdd8
1533623cc9
hex20de0262

551420514 has 16 divisors (see below), whose sum is σ = 1225379040. Its totient is φ = 183806820.

The previous prime is 551420503. The next prime is 551420537. The reversal of 551420514 is 415024155.

551420514 is a `hidden beast` number, since 5 + 5 + 142 + 0 + 514 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 7 ways as a sum of consecutive naturals, for example, 5105692 + ... + 5105799.

It is an arithmetic number, because the mean of its divisors is an integer number (76586190).

Almost surely, 2551420514 is an apocalyptic number.

551420514 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

551420514 is an abundant number, since it is smaller than the sum of its proper divisors (673958526).

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

551420514 is a wasteful number, since it uses less digits than its factorization.

551420514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10211502 (or 10211496 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 551420514 is about 23482.3447296048. The cubic root of 551420514 is about 820.0260322888.

Adding to 551420514 its reverse (415024155), we get a palindrome (966444669).

The spelling of 551420514 in words is "five hundred fifty-one million, four hundred twenty thousand, five hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 10211491 20422982 30634473 61268946 91903419 183806838 275710257 551420514