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480312251 = 2275094157
BaseRepresentation
bin11100101000001…
…111101110111011
31020110210101112122
4130220033232323
51440424443001
6115354431455
714621405156
oct3450175673
91213711478
10480312251
1122713a781
12114a3258b
1378680b43
1447b0cc9d
152c279b1b
hex1ca0fbbb

480312251 has 8 divisors (see below), whose sum is σ = 483492240. Its totient is φ = 477142048.

The previous prime is 480312247. The next prime is 480312269. The reversal of 480312251 is 152213084.

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 480312251 - 22 = 480312247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 480312251.

It is not an unprimeable number, because it can be changed into a prime (480312221) 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, 113465 + ... + 117621.

It is an arithmetic number, because the mean of its divisors is an integer number (60436530).

Almost surely, 2480312251 is an apocalyptic number.

480312251 is a deficient number, since it is larger than the sum of its proper divisors (3179989).

480312251 is a wasteful number, since it uses less digits than its factorization.

480312251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 480312251 is about 21916.0272631698. The cubic root of 480312251 is about 783.1432721727.

The spelling of 480312251 in words is "four hundred eighty million, three hundred twelve thousand, two hundred fifty-one".

Divisors: 1 227 509 4157 115543 943639 2115913 480312251