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485054551 = 2931709761
BaseRepresentation
bin11100111010010…
…101100001010111
31020210201022202101
4130322111201113
51443133221201
6120044222531
715006616132
oct3472254127
91223638671
10485054551
11229889733
1211653aa47
1379651537
14485c5219
152c8b4d01
hex1ce95857

485054551 has 16 divisors (see below), whose sum is σ = 519379200. Its totient is φ = 451987200.

The previous prime is 485054543. The next prime is 485054561. The reversal of 485054551 is 155450584.

It is a cyclic number.

It is not a de Polignac number, because 485054551 - 23 = 485054543 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 485054551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485054561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637011 + ... + 637771.

It is an arithmetic number, because the mean of its divisors is an integer number (32461200).

Almost surely, 2485054551 is an apocalyptic number.

485054551 is a deficient number, since it is larger than the sum of its proper divisors (34324649).

485054551 is a wasteful number, since it uses less digits than its factorization.

485054551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530.

The product of its (nonzero) digits is 80000, while the sum is 37.

The square root of 485054551 is about 22023.9540273766. The cubic root of 485054551 is about 785.7122565756.

It can be divided in two parts, 485054 and 551, that added together give a triangular number (485605 = T985).

The spelling of 485054551 in words is "four hundred eighty-five million, fifty-four thousand, five hundred fifty-one".

Divisors: 1 29 31 709 761 899 20561 21979 22069 23591 539549 637391 684139 15646921 16726019 485054551