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488604253 = 1573112129
BaseRepresentation
bin11101000111111…
…000001001011101
31021001101200000211
4131013320021131
52000040314003
6120252252421
715052032124
oct3507701135
91231350024
10488604253
11230893675
12117771111
137a2c5157
1448c6aabb
152cd6696d
hex1d1f825d

488604253 has 4 divisors (see below), whose sum is σ = 491716540. Its totient is φ = 485491968.

The previous prime is 488604241. The next prime is 488604271. The reversal of 488604253 is 352406884.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 283484569 + 205119684 = 16837^2 + 14322^2 .

It is a cyclic number.

It is not a de Polignac number, because 488604253 - 221 = 486507101 is a prime.

It is a Duffinian number.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488604223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555908 + ... + 1556221.

It is an arithmetic number, because the mean of its divisors is an integer number (122929135).

Almost surely, 2488604253 is an apocalyptic number.

It is an amenable number.

488604253 is a deficient number, since it is larger than the sum of its proper divisors (3112287).

488604253 is a wasteful number, since it uses less digits than its factorization.

488604253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112286.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 488604253 is about 22104.3944273531. The cubic root of 488604253 is about 787.6242534435.

The spelling of 488604253 in words is "four hundred eighty-eight million, six hundred four thousand, two hundred fifty-three".

Divisors: 1 157 3112129 488604253