Search a number
-
+
489863040 = 2735255137
BaseRepresentation
bin11101001100101…
…011011110000000
31021010202121202120
4131030223132000
52000401104130
6120335244240
715065524062
oct3514533600
91233677676
10489863040
11231573397
12118079680
137a6460b4
14490b7732
152d014910
hex1d32b780

489863040 has 64 divisors (see below), whose sum is σ = 1561444560. Its totient is φ = 130629632.

The previous prime is 489863021. The next prime is 489863053. The reversal of 489863040 is 40368984.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 489862983 and 489863001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125649 + ... + 129488.

Almost surely, 2489863040 is an apocalyptic number.

489863040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489863040 is an abundant number, since it is smaller than the sum of its proper divisors (1071581520).

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

489863040 is a wasteful number, since it uses less digits than its factorization.

489863040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255159 (or 255147 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 489863040 is about 22132.8497939149. The cubic root of 489863040 is about 788.3000566517.

The spelling of 489863040 in words is "four hundred eighty-nine million, eight hundred sixty-three thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 255137 510274 765411 1020548 1275685 1530822 2041096 2551370 3061644 3827055 4082192 5102740 6123288 7654110 8164384 10205480 12246576 15308220 16328768 20410960 24493152 30616440 32657536 40821920 48986304 61232880 81643840 97972608 122465760 163287680 244931520 489863040