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551254541 = 3691149351
BaseRepresentation
bin100000110110110…
…111101000001101
31102102021122001212
4200312313220031
52112110121131
6130411144205
716442405045
oct4066675015
91372248055
10551254541
11263194772
12134745065
138a28c526
14532d8725
15335dea2b
hex20db7a0d

551254541 has 4 divisors (see below), whose sum is σ = 551407584. Its totient is φ = 551101500.

The previous prime is 551254531. The next prime is 551254559. The reversal of 551254541 is 145452155.

551254541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 551254541 - 218 = 550992397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551254498 and 551254507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551254511) 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, 70985 + ... + 78366.

It is an arithmetic number, because the mean of its divisors is an integer number (137851896).

Almost surely, 2551254541 is an apocalyptic number.

It is an amenable number.

551254541 is a deficient number, since it is larger than the sum of its proper divisors (153043).

551254541 is a wasteful number, since it uses less digits than its factorization.

551254541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153042.

The product of its digits is 20000, while the sum is 32.

The square root of 551254541 is about 23478.8104681647. The cubic root of 551254541 is about 819.9437503553.

The spelling of 551254541 in words is "five hundred fifty-one million, two hundred fifty-four thousand, five hundred forty-one".

Divisors: 1 3691 149351 551254541