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2310402421 = 29193412793
BaseRepresentation
bin1000100110110101…
…1111000101110101
312222000102121022001
42021231133011311
514212430334141
61021131535301
7111153045055
oct21155370565
95860377261
102310402421
11a86186598
125458ba531
132aa877c32
1417cbb9565
15d7c78a31
hex89b5f175

2310402421 has 8 divisors (see below), whose sum is σ = 2402461080. Its totient is φ = 2219169792.

The previous prime is 2310402397. The next prime is 2310402491. The reversal of 2310402421 is 1242040132.

It can be written as a sum of positive squares in 4 ways, for example, as 2656900 + 2307745521 = 1630^2 + 48039^2 .

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 2310402421 - 27 = 2310402293 is a prime.

It is a super-2 number, since 2×23104024212 = 10675918693925322482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2310402491) 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, 200800 + ... + 211993.

It is an arithmetic number, because the mean of its divisors is an integer number (300307635).

Almost surely, 22310402421 is an apocalyptic number.

It is an amenable number.

2310402421 is a deficient number, since it is larger than the sum of its proper divisors (92058659).

2310402421 is a wasteful number, since it uses less digits than its factorization.

2310402421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413015.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2310402421 is about 48066.6456183495. The cubic root of 2310402421 is about 1321.9931667309.

Adding to 2310402421 its reverse (1242040132), we get a palindrome (3552442553).

The spelling of 2310402421 in words is "two billion, three hundred ten million, four hundred two thousand, four hundred twenty-one".

Divisors: 1 29 193 5597 412793 11970997 79669049 2310402421