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2530257470 = 251319463519
BaseRepresentation
bin1001011011010000…
…1010101000111110
320112100010101201122
42112310022220332
520140221214340
61055024110542
7116462555636
oct22664125076
96470111648
102530257470
11108929a984
125a7465452
13314294690
141a00896c6
15ec205db5
hex96d0aa3e

2530257470 has 16 divisors (see below), whose sum is σ = 4904807040. Its totient is φ = 934248864.

The previous prime is 2530257461. The next prime is 2530257473. The reversal of 2530257470 is 747520352.

2530257470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2530257470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530257473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9731630 + ... + 9731889.

It is an arithmetic number, because the mean of its divisors is an integer number (306550440).

Almost surely, 22530257470 is an apocalyptic number.

2530257470 is a deficient number, since it is larger than the sum of its proper divisors (2374549570).

2530257470 is a wasteful number, since it uses less digits than its factorization.

2530257470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19463539.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 2530257470 is about 50301.6646841832. The cubic root of 2530257470 is about 1362.6622932677.

The spelling of 2530257470 in words is "two billion, five hundred thirty million, two hundred fifty-seven thousand, four hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 19463519 38927038 97317595 194635190 253025747 506051494 1265128735 2530257470