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551324148 = 22345943679
BaseRepresentation
bin100000110111001…
…000100111110100
31102102102011112220
4200313020213310
52112114333043
6130412442340
716443115014
oct4067104764
91372364486
10551324148
11263231aa1
121347793b0
138a2b510b
1453315c44
1533605483
hex20dc89f4

551324148 has 12 divisors (see below), whose sum is σ = 1286423040. Its totient is φ = 183774712.

The previous prime is 551324131. The next prime is 551324149. The reversal of 551324148 is 841423155.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551324149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22971828 + ... + 22971851.

It is an arithmetic number, because the mean of its divisors is an integer number (107201920).

Almost surely, 2551324148 is an apocalyptic number.

It is an amenable number.

551324148 is an abundant number, since it is smaller than the sum of its proper divisors (735098892).

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

551324148 is a wasteful number, since it uses less digits than its factorization.

551324148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45943686 (or 45943684 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 551324148 is about 23480.2927579705. The cubic root of 551324148 is about 819.9782603794.

The spelling of 551324148 in words is "five hundred fifty-one million, three hundred twenty-four thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 45943679 91887358 137831037 183774716 275662074 551324148