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489000248 = 23115556821
BaseRepresentation
bin11101001001011…
…000110100111000
31021002010210020022
4131021120310320
52000141001443
6120304550012
715055301462
oct3511306470
91232123208
10489000248
11231034140
12117922308
137a403479
1448d31132
152cde3e68
hex1d258d38

489000248 has 16 divisors (see below), whose sum is σ = 1000227960. Its totient is φ = 222272800.

The previous prime is 489000247. The next prime is 489000277. The reversal of 489000248 is 842000984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489000247) 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, 2778323 + ... + 2778498.

Almost surely, 2489000248 is an apocalyptic number.

It is an amenable number.

489000248 is an abundant number, since it is smaller than the sum of its proper divisors (511227712).

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

489000248 is a wasteful number, since it uses less digits than its factorization.

489000248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556838 (or 5556834 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 489000248 is about 22113.3499949691. The cubic root of 489000248 is about 787.8369757318.

The spelling of 489000248 in words is "four hundred eighty-nine million, two hundred forty-eight", and thus it is an aban number.

Divisors: 1 2 4 8 11 22 44 88 5556821 11113642 22227284 44454568 61125031 122250062 244500124 489000248