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551106023 = 13199213029
BaseRepresentation
bin100000110110010…
…011010111100111
31102102000002100012
4200312103113213
52112040343043
6130404040435
716441216046
oct4066232747
91372002305
10551106023
112630a3126
1213469311b
138a239a50
145329a55d
15335b0a18
hex20d935e7

551106023 has 8 divisors (see below), whose sum is σ = 596484000. Its totient is φ = 506154528.

The previous prime is 551106011. The next prime is 551106029. The reversal of 551106023 is 320601155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551106023 - 28 = 551105767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551106023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551106029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103928 + ... + 109101.

It is an arithmetic number, because the mean of its divisors is an integer number (74560500).

Almost surely, 2551106023 is an apocalyptic number.

551106023 is a deficient number, since it is larger than the sum of its proper divisors (45377977).

551106023 is a wasteful number, since it uses less digits than its factorization.

551106023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213241.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 551106023 is about 23475.6474458107. The cubic root of 551106023 is about 819.8701078213.

Adding to 551106023 its reverse (320601155), we get a palindrome (871707178).

The spelling of 551106023 in words is "five hundred fifty-one million, one hundred six thousand, twenty-three".

Divisors: 1 13 199 2587 213029 2769377 42392771 551106023