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2530746829 = 13523337201
BaseRepresentation
bin1001011011011000…
…0010000111001101
320112101001021000001
42112312002013031
520140332344304
61055042404301
7116466664432
oct22666020715
96471037001
102530746829
1110895a4606
125a7660691
13314406340
141a0175b89
15ec2a0da4
hex96d821cd

2530746829 has 8 divisors (see below), whose sum is σ = 2726013752. Its totient is φ = 2335564800.

The previous prime is 2530746797. The next prime is 2530746839. The reversal of 2530746829 is 9286470352.

It can be written as a sum of positive squares in 4 ways, for example, as 114532804 + 2416214025 = 10702^2 + 49155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2530746829 - 25 = 2530746797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530746839) 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, 49429 + ... + 86629.

It is an arithmetic number, because the mean of its divisors is an integer number (340751719).

Almost surely, 22530746829 is an apocalyptic number.

It is an amenable number.

2530746829 is a deficient number, since it is larger than the sum of its proper divisors (195266923).

2530746829 is a wasteful number, since it uses less digits than its factorization.

2530746829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42447.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 2530746829 is about 50306.5286916122. The cubic root of 2530746829 is about 1362.7501351943.

The spelling of 2530746829 in words is "two billion, five hundred thirty million, seven hundred forty-six thousand, eight hundred twenty-nine".

Divisors: 1 13 5233 37201 68029 483613 194672833 2530746829