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538258275 = 32523137643
BaseRepresentation
bin100000000101010…
…010101101100011
31101111211100112200
4200011102231203
52100243231100
6125224424243
716224056052
oct4005225543
91344740480
10538258275
11256918455
12130318083
138768bc29
14516b4399
15323c3e00
hex20152b63

538258275 has 36 divisors (see below), whose sum is σ = 967287048. Its totient is φ = 286116480.

The previous prime is 538258271. The next prime is 538258297. The reversal of 538258275 is 572852835.

It is not a de Polignac number, because 538258275 - 22 = 538258271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 538258275.

It is not an unprimeable number, because it can be changed into a prime (538258271) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 66604 + ... + 74246.

Almost surely, 2538258275 is an apocalyptic number.

538258275 is a deficient number, since it is larger than the sum of its proper divisors (429028773).

538258275 is a wasteful number, since it uses less digits than its factorization.

538258275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7972 (or 7964 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 538258275 is about 23200.3938544155. The cubic root of 538258275 is about 813.4488292082.

The spelling of 538258275 in words is "five hundred thirty-eight million, two hundred fifty-eight thousand, two hundred seventy-five".

Divisors: 1 3 5 9 15 25 45 75 225 313 939 1565 2817 4695 7643 7825 14085 22929 23475 38215 68787 70425 114645 191075 343935 573225 1719675 2392259 7176777 11961295 21530331 35883885 59806475 107651655 179419425 538258275