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1481688 = 2332131583
BaseRepresentation
bin101101001101111011000
32210021111100
411221233120
5334403223
651431400
715410535
oct5515730
92707440
101481688
1192223a
125b5560
133cb550
142a7d8c
151e4043
hex169bd8

1481688 has 48 divisors (see below), whose sum is σ = 4324320. Its totient is φ = 455616.

The previous prime is 1481671. The next prime is 1481693. The reversal of 1481688 is 8861841.

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

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145 + ... + 1727.

It is an arithmetic number, because the mean of its divisors is an integer number (90090).

21481688 is an apocalyptic number.

1481688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1481688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2162160).

1481688 is an abundant number, since it is smaller than the sum of its proper divisors (2842632).

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

1481688 is a wasteful number, since it uses less digits than its factorization.

1481688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608 (or 1601 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 1481688 is about 1217.2460720824. The cubic root of 1481688 is about 114.0036933245.

The spelling of 1481688 in words is "one million, four hundred eighty-one thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 234 312 468 936 1583 3166 4749 6332 9498 12664 14247 18996 20579 28494 37992 41158 56988 61737 82316 113976 123474 164632 185211 246948 370422 493896 740844 1481688