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655333061 = 13739712049
BaseRepresentation
bin100111000011111…
…001011011000101
31200200010100221212
4213003321123011
52320231124221
6145010021205
722145145005
oct4703713305
91620110855
10655333061
11306a11479
12163577805
13a5a00556
146306c005
153c7ecb5b
hex270f96c5

655333061 has 8 divisors (see below), whose sum is σ = 661834200. Its totient is φ = 648857088.

The previous prime is 655333037. The next prime is 655333073. The reversal of 655333061 is 160333556.

It can be written as a sum of positive squares in 4 ways, for example, as 221444161 + 433888900 = 14881^2 + 20830^2 .

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 655333061 - 218 = 655070917 is a prime.

It is a super-2 number, since 2×6553330612 = 858922841679259442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655333031) 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, 48365 + ... + 60413.

It is an arithmetic number, because the mean of its divisors is an integer number (82729275).

Almost surely, 2655333061 is an apocalyptic number.

It is an amenable number.

655333061 is a deficient number, since it is larger than the sum of its proper divisors (6501139).

655333061 is a wasteful number, since it uses less digits than its factorization.

655333061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12583.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 655333061 is about 25599.4738422492. The cubic root of 655333061 is about 868.6017355040.

The spelling of 655333061 in words is "six hundred fifty-five million, three hundred thirty-three thousand, sixty-one".

Divisors: 1 137 397 12049 54389 1650713 4783453 655333061