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530146 = 21391907
BaseRepresentation
bin10000001011011100010
3222221020001
42001123202
5113431041
615210214
74335421
oct2013342
9887201
10530146
11332341
1221696a
131573c6
14db2b8
15a7131
hex816e2

530146 has 8 divisors (see below), whose sum is σ = 801360. Its totient is φ = 263028.

The previous prime is 530143. The next prime is 530177. The reversal of 530146 is 641035.

530146 = T593 + T594 + T595.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (530143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (100170).

2530146 is an apocalyptic number.

530146 is the 595-th centered triangular number.

530146 is a deficient number, since it is larger than the sum of its proper divisors (271214).

530146 is a wasteful number, since it uses less digits than its factorization.

530146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 530146 is about 728.1112552351. Note that the first 3 decimals coincide. The cubic root of 530146 is about 80.9341536707.

Subtracting 530146 from its reverse (641035), we obtain a square (110889 = 3332).

It can be divided in two parts, 530 and 146, that added together give a palindrome (676).

The spelling of 530146 in words is "five hundred thirty thousand, one hundred forty-six".

Divisors: 1 2 139 278 1907 3814 265073 530146