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2530540565 = 572103100279
BaseRepresentation
bin1001011011010100…
…1111110000010101
320112100122210001122
42112311033300111
520140304244230
61055034133325
7116465145200
oct22665176025
96470583048
102530540565
111089473643
125a7581245
133143634a7
141a0120937
15ec25ebe5
hex96d4fc15

2530540565 has 24 divisors (see below), whose sum is σ = 3566759040. Its totient is φ = 1718363808.

The previous prime is 2530540549. The next prime is 2530540613. The reversal of 2530540565 is 5650450352.

It is not a de Polignac number, because 2530540565 - 24 = 2530540549 is a prime.

It is a super-2 number, since 2×25305405652 = 12807271102221038450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24905 + ... + 75374.

It is an arithmetic number, because the mean of its divisors is an integer number (148614960).

Almost surely, 22530540565 is an apocalyptic number.

It is an amenable number.

2530540565 is a deficient number, since it is larger than the sum of its proper divisors (1036218475).

2530540565 is a wasteful number, since it uses less digits than its factorization.

2530540565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100401 (or 100394 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 2530540565 is about 50304.4785779557. The cubic root of 2530540565 is about 1362.7131113499.

The spelling of 2530540565 in words is "two billion, five hundred thirty million, five hundred forty thousand, five hundred sixty-five".

Divisors: 1 5 7 35 49 103 245 515 721 3605 5047 25235 100279 501395 701953 3509765 4913671 10328737 24568355 51643685 72301159 361505795 506108113 2530540565