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488253271 = 11219720483
BaseRepresentation
bin11101000110100…
…010011101010111
31021000201211120111
4131012202131113
51444443101041
6120240543451
715046040632
oct3506423527
91230654514
10488253271
11230673a00
12117621b87
137a20147c
1448bb8c19
152cce7981
hex1d1a2757

488253271 has 12 divisors (see below), whose sum is σ = 539425656. Its totient is φ = 441591920.

The previous prime is 488253263. The next prime is 488253281. The reversal of 488253271 is 172352884.

It is a happy number.

It is not a de Polignac number, because 488253271 - 23 = 488253263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488253281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13596 + ... + 34078.

It is an arithmetic number, because the mean of its divisors is an integer number (44952138).

Almost surely, 2488253271 is an apocalyptic number.

488253271 is a deficient number, since it is larger than the sum of its proper divisors (51172385).

488253271 is a wasteful number, since it uses less digits than its factorization.

488253271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20702 (or 20691 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 488253271 is about 22096.4538105100. The cubic root of 488253271 is about 787.4356153291.

The spelling of 488253271 in words is "four hundred eighty-eight million, two hundred fifty-three thousand, two hundred seventy-one".

Divisors: 1 11 121 197 2167 20483 23837 225313 2478443 4035151 44386661 488253271