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551898030 = 235171082153
BaseRepresentation
bin100000111001010…
…100101110101110
31102110111022202210
4200321110232232
52112241214110
6130433031250
716451025105
oct4071245656
91373438683
10551898030
11263594182
121349b5526
138a4563a8
145342503c
15336ba520
hex20e54bae

551898030 has 32 divisors (see below), whose sum is σ = 1402471584. Its totient is φ = 138515456.

The previous prime is 551898019. The next prime is 551898059. The reversal of 551898030 is 30898155.

551898030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 551898030.

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, 540567 + ... + 541586.

It is an arithmetic number, because the mean of its divisors is an integer number (43827237).

Almost surely, 2551898030 is an apocalyptic number.

551898030 is an abundant number, since it is smaller than the sum of its proper divisors (850573554).

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

551898030 is a wasteful number, since it uses less digits than its factorization.

551898030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082180.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 551898030 is about 23492.5100830031. The cubic root of 551898030 is about 820.2626711538.

The spelling of 551898030 in words is "five hundred fifty-one million, eight hundred ninety-eight thousand, thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 1082153 2164306 3246459 5410765 6492918 10821530 16232295 18396601 32464590 36793202 55189803 91983005 110379606 183966010 275949015 551898030