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513272142 = 23228515119
BaseRepresentation
bin11110100101111…
…110100101001110
31022202210221000100
4132211332211032
52022344202032
6122533111530
715501512145
oct3645764516
91282727010
10513272142
11243801a59
12123a885a6
1382451136
144c24c75c
15300da97c
hex1e97e94e

513272142 has 12 divisors (see below), whose sum is σ = 1112089680. Its totient is φ = 171090708.

The previous prime is 513272141. The next prime is 513272161. The reversal of 513272142 is 241272315.

513272142 is a `hidden beast` number, since 513 + 2 + 7 + 2 + 142 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513272141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14257542 + ... + 14257577.

It is an arithmetic number, because the mean of its divisors is an integer number (92674140).

Almost surely, 2513272142 is an apocalyptic number.

513272142 is an abundant number, since it is smaller than the sum of its proper divisors (598817538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513272142 is a wasteful number, since it uses less digits than its factorization.

513272142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28515127 (or 28515124 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 513272142 is about 22655.5101906799. The cubic root of 513272142 is about 800.6620259592.

The spelling of 513272142 in words is "five hundred thirteen million, two hundred seventy-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 28515119 57030238 85545357 171090714 256636071 513272142