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2421289471 = 53431105997
BaseRepresentation
bin1001000001010001…
…1111000111111111
320020202002020201211
42100110133013333
514424322230341
61040132345251
7114000422656
oct22024370777
96222066654
102421289471
111032833687
12576a75227
132c7830c83
1418d80219d
15e287e181
hex9051f1ff

2421289471 has 8 divisors (see below), whose sum is σ = 2472721344. Its totient is φ = 2370070560.

The previous prime is 2421289457. The next prime is 2421289513. The reversal of 2421289471 is 1749821242.

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 2421289471 - 25 = 2421289439 is a prime.

It is a super-3 number, since 3×24212894713 (a number of 29 digits) contains 333 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 (2421289571) 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, 30156 + ... + 75841.

It is an arithmetic number, because the mean of its divisors is an integer number (309090168).

Almost surely, 22421289471 is an apocalyptic number.

2421289471 is a deficient number, since it is larger than the sum of its proper divisors (51431873).

2421289471 is a wasteful number, since it uses less digits than its factorization.

2421289471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106481.

The product of its digits is 64512, while the sum is 40.

The square root of 2421289471 is about 49206.5998723748. The cubic root of 2421289471 is about 1342.8131054093.

The spelling of 2421289471 in words is "two billion, four hundred twenty-one million, two hundred eighty-nine thousand, four hundred seventy-one".

Divisors: 1 53 431 22843 105997 5617841 45684707 2421289471