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2530131405 = 35168675427
BaseRepresentation
bin1001011011001110…
…1011110111001101
320112022212222210120
42112303223313031
520140203201110
61055021255153
7116461522254
oct22663536715
96468788716
102530131405
11108921419a
125a74044b9
1331424c199
141a005579b
15ec1cd870
hex96cebdcd

2530131405 has 8 divisors (see below), whose sum is σ = 4048210272. Its totient is φ = 1349403408.

The previous prime is 2530131391. The next prime is 2530131467. The reversal of 2530131405 is 5041310352.

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

It is not a de Polignac number, because 2530131405 - 210 = 2530130381 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84337699 + ... + 84337728.

It is an arithmetic number, because the mean of its divisors is an integer number (506026284).

Almost surely, 22530131405 is an apocalyptic number.

It is an amenable number.

2530131405 is a deficient number, since it is larger than the sum of its proper divisors (1518078867).

2530131405 is a wasteful number, since it uses less digits than its factorization.

2530131405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168675435.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2530131405 is about 50300.4115788330. The cubic root of 2530131405 is about 1362.6396622539.

Adding to 2530131405 its reverse (5041310352), we get a palindrome (7571441757).

The spelling of 2530131405 in words is "two billion, five hundred thirty million, one hundred thirty-one thousand, four hundred five".

Divisors: 1 3 5 15 168675427 506026281 843377135 2530131405