Search a number
-
+
631541055 = 35163258299
BaseRepresentation
bin100101101001001…
…000110100111111
31122000100121110110
4211221020310333
52243133303210
6142400041103
721436003365
oct4551106477
91560317413
10631541055
112a4541162
12157603193
13a0ac0142
145dc37635
153a69d420
hex25a48d3f

631541055 has 16 divisors (see below), whose sum is σ = 1016668800. Its totient is φ = 334754208.

The previous prime is 631541047. The next prime is 631541069. The reversal of 631541055 is 550145136.

It is not a de Polignac number, because 631541055 - 23 = 631541047 is a prime.

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, 126705 + ... + 131594.

It is an arithmetic number, because the mean of its divisors is an integer number (63541800).

Almost surely, 2631541055 is an apocalyptic number.

631541055 is a deficient number, since it is larger than the sum of its proper divisors (385127745).

631541055 is a wasteful number, since it uses less digits than its factorization.

631541055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258470.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 631541055 is about 25130.4805962799. The cubic root of 631541055 is about 857.9603072797.

The spelling of 631541055 in words is "six hundred thirty-one million, five hundred forty-one thousand, fifty-five".

Divisors: 1 3 5 15 163 489 815 2445 258299 774897 1291495 3874485 42102737 126308211 210513685 631541055