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489213900 = 2232527196167
BaseRepresentation
bin11101001010001…
…100111111001100
31021002112122022100
4131022030333030
52000214321100
6120313315100
715060151410
oct3512147714
91232478270
10489213900
1123116a70a
12117a05a90
137a4797a6
1448d88d40
152ce37400
hex1d28cfcc

489213900 has 432 divisors, whose sum is σ = 1902933760. Its totient is φ = 102643200.

The previous prime is 489213871. The next prime is 489213911. The reversal of 489213900 is 9312984.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7301667 + ... + 7301733.

Almost surely, 2489213900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489213900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951466880).

489213900 is an abundant number, since it is smaller than the sum of its proper divisors (1413719860).

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

489213900 is a wasteful number, since it uses less digits than its factorization.

489213900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 489213900 is about 22118.1803048985. The cubic root of 489213900 is about 787.9516985347.

The spelling of 489213900 in words is "four hundred eighty-nine million, two hundred thirteen thousand, nine hundred".