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488489480 = 23512212237
BaseRepresentation
bin11101000111011…
…100001000001000
31021001011211120222
4131013130020020
52000023130410
6120250005212
715051043403
oct3507341010
91231154528
10488489480
11230815416
12117716808
137a284b3b
1448c3ad3a
152cd42955
hex1d1dc208

488489480 has 16 divisors (see below), whose sum is σ = 1099101420. Its totient is φ = 195395776.

The previous prime is 488489467. The next prime is 488489483. The reversal of 488489480 is 84984884.

It can be written as a sum of positive squares in 2 ways, for example, as 439405444 + 49084036 = 20962^2 + 7006^2 .

It is not an unprimeable number, because it can be changed into a prime (488489483) 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, 6106079 + ... + 6106158.

Almost surely, 2488489480 is an apocalyptic number.

488489480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

488489480 is an abundant number, since it is smaller than the sum of its proper divisors (610611940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

488489480 is a wasteful number, since it uses less digits than its factorization.

488489480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12212248 (or 12212244 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 53.

The square root of 488489480 is about 22101.7981168954. The cubic root of 488489480 is about 787.5625777097.

The spelling of 488489480 in words is "four hundred eighty-eight million, four hundred eighty-nine thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 12212237 24424474 48848948 61061185 97697896 122122370 244244740 488489480