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551034191 = 29138113759
BaseRepresentation
bin100000110110000…
…001110101001111
31102101212102210202
4200312001311033
52112031043231
6130402324115
716440466451
oct4066016517
91371772722
10551034191
11263054164
1213465963b
138a213146
145327c2d1
15335995cb
hex20d81d4f

551034191 has 8 divisors (see below), whose sum is σ = 570489600. Its totient is φ = 531609120.

The previous prime is 551034119. The next prime is 551034193. The reversal of 551034191 is 191430155.

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 551034191 - 210 = 551033167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551034193) 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, 33170 + ... + 46928.

It is an arithmetic number, because the mean of its divisors is an integer number (71311200).

Almost surely, 2551034191 is an apocalyptic number.

551034191 is a deficient number, since it is larger than the sum of its proper divisors (19455409).

551034191 is a wasteful number, since it uses less digits than its factorization.

551034191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15169.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 551034191 is about 23474.1174700988. The cubic root of 551034191 is about 819.8344852332.

The spelling of 551034191 in words is "five hundred fifty-one million, thirty-four thousand, one hundred ninety-one".

Divisors: 1 29 1381 13759 40049 399011 19001179 551034191