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551275004 = 22719688393
BaseRepresentation
bin100000110110111…
…100100111111100
31102102022200010202
4200312330213330
52112111300004
6130411423032
716442521520
oct4066744774
91372280122
10551275004
112631a9085
12134754a78
138a298937
1453301d80
15335e5b1e
hex20dbc9fc

551275004 has 12 divisors (see below), whose sum is σ = 1102550064. Its totient is φ = 236260704.

The previous prime is 551275003. The next prime is 551275009. The reversal of 551275004 is 400572155.

551275004 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551275003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9844169 + ... + 9844224.

It is an arithmetic number, because the mean of its divisors is an integer number (91879172).

Almost surely, 2551275004 is an apocalyptic number.

It is an amenable number.

551275004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

551275004 is a wasteful number, since it uses less digits than its factorization.

551275004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19688404 (or 19688402 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 551275004 is about 23479.2462400308. The cubic root of 551275004 is about 819.9538958810.

The spelling of 551275004 in words is "five hundred fifty-one million, two hundred seventy-five thousand, four".

Divisors: 1 2 4 7 14 28 19688393 39376786 78753572 137818751 275637502 551275004