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530215275 = 3528979433
BaseRepresentation
bin11111100110100…
…111000101101011
31100221200201121210
4133212213011223
52041213342100
6124340204203
716065520062
oct3746470553
91327621553
10530215275
11252324647
12129699663
1385b04065
14505bd1d9
1531835c50
hex1f9a716b

530215275 has 24 divisors (see below), whose sum is σ = 886483440. Its totient is φ = 279600640.

The previous prime is 530215271. The next prime is 530215277. The reversal of 530215275 is 572512035.

It is not a de Polignac number, because 530215275 - 22 = 530215271 is a prime.

It is a super-2 number, since 2×5302152752 = 562256475686651250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (530215271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33042 + ... + 46391.

It is an arithmetic number, because the mean of its divisors is an integer number (36936810).

Almost surely, 2530215275 is an apocalyptic number.

530215275 is a deficient number, since it is larger than the sum of its proper divisors (356268165).

530215275 is a wasteful number, since it uses less digits than its factorization.

530215275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79535 (or 79530 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 530215275 is about 23026.4038659970. The cubic root of 530215275 is about 809.3767878098.

The spelling of 530215275 in words is "five hundred thirty million, two hundred fifteen thousand, two hundred seventy-five".

Divisors: 1 3 5 15 25 75 89 267 445 1335 2225 6675 79433 238299 397165 1191495 1985825 5957475 7069537 21208611 35347685 106043055 176738425 530215275