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6530157 = 321136421
BaseRepresentation
bin11000111010010001101101
3110021202200200
4120322101231
53132431112
6351544113
7106335234
oct30722155
913252620
106530157
113760227
12222b039
1314783ca
14c1db1b
1588ecdc
hex63a46d

6530157 has 12 divisors (see below), whose sum is σ = 9517404. Its totient is φ = 4314240.

The previous prime is 6530107. The next prime is 6530177. The reversal of 6530157 is 7510356.

6530157 is a `hidden beast` number, since 653 + 0 + 1 + 5 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 741321 + 5788836 = 861^2 + 2406^2 .

It is not a de Polignac number, because 6530157 - 212 = 6526061 is a prime.

It is a super-3 number, since 3×65301573 (a number of 21 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6530157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6530107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2194 + ... + 4227.

It is an arithmetic number, because the mean of its divisors is an integer number (793117).

Almost surely, 26530157 is an apocalyptic number.

It is an amenable number.

6530157 is a deficient number, since it is larger than the sum of its proper divisors (2987247).

6530157 is a wasteful number, since it uses less digits than its factorization.

6530157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6540 (or 6537 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 6530157 is about 2555.4171870753. The cubic root of 6530157 is about 186.9137314529.

The spelling of 6530157 in words is "six million, five hundred thirty thousand, one hundred fifty-seven".

Divisors: 1 3 9 113 339 1017 6421 19263 57789 725573 2176719 6530157