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489614688 = 253217100003
BaseRepresentation
bin11101001011101…
…110110101100000
31021010022000002100
4131023232311200
52000320132223
6120330050400
715063441033
oct3513566540
91233260070
10489614688
11231413842
12117b79a00
137a58a044
144905101a
152ceb6043
hex1d2eed60

489614688 has 72 divisors (see below), whose sum is σ = 1474258968. Its totient is φ = 153603072.

The previous prime is 489614687. The next prime is 489614693. The reversal of 489614688 is 886416984.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

489614688 is a modest number, since divided by 14688 gives 4896 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489614687) 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, 45106 + ... + 54897.

It is an arithmetic number, because the mean of its divisors is an integer number (20475819).

Almost surely, 2489614688 is an apocalyptic number.

489614688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

489614688 is an abundant number, since it is smaller than the sum of its proper divisors (984644280).

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

489614688 is a wasteful number, since it uses less digits than its factorization.

489614688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100036 (or 100025 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 489614688 is about 22127.2385986142. The cubic root of 489614688 is about 788.1668160151.

The spelling of 489614688 in words is "four hundred eighty-nine million, six hundred fourteen thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 68 72 96 102 136 144 153 204 272 288 306 408 544 612 816 1224 1632 2448 4896 100003 200006 300009 400012 600018 800024 900027 1200036 1600048 1700051 1800054 2400072 3200096 3400102 3600108 4800144 5100153 6800204 7200216 9600288 10200306 13600408 14400432 15300459 20400612 27200816 28800864 30600918 40801224 54401632 61201836 81602448 122403672 163204896 244807344 489614688