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2530202540 = 225479264113
BaseRepresentation
bin1001011011001111…
…1101001110101100
320112100000121101012
42112303331032230
520140212440130
61055023004352
7116462236535
oct22663751654
96470017335
102530202540
111089262688
125a74396b8
13314275688
141a007368c
15ec1e4995
hex96cfd3ac

2530202540 has 24 divisors (see below), whose sum is σ = 5324538240. Its totient is φ = 1009964288.

The previous prime is 2530202533. The next prime is 2530202567. The reversal of 2530202540 is 452020352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122477 + ... + 141636.

It is an arithmetic number, because the mean of its divisors is an integer number (221855760).

Almost surely, 22530202540 is an apocalyptic number.

2530202540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2530202540 is an abundant number, since it is smaller than the sum of its proper divisors (2794335700).

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

2530202540 is a wasteful number, since it uses less digits than its factorization.

2530202540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264601 (or 264599 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 2530202540 is about 50301.1186754331. The cubic root of 2530202540 is about 1362.6524324028.

Adding to 2530202540 its reverse (452020352), we get a palindrome (2982222892).

The spelling of 2530202540 in words is "two billion, five hundred thirty million, two hundred two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 479 958 1916 2395 4790 9580 264113 528226 1056452 1320565 2641130 5282260 126510127 253020254 506040508 632550635 1265101270 2530202540