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1493680 = 24518671
BaseRepresentation
bin101101100101010110000
32210212221111
411230222300
5340244210
652003104
715460516
oct5545260
92725844
101493680
11930251
12600494
13403b46
142ac4b6
151e788a
hex16cab0

1493680 has 20 divisors (see below), whose sum is σ = 3472992. Its totient is φ = 597440.

The previous prime is 1493677. The next prime is 1493683. The reversal of 1493680 is 863941.

It is an interprime number because it is at equal distance from previous prime (1493677) and next prime (1493683).

It is a tau number, because it is divible by the number of its divisors (20).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1493683) 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, 9256 + ... + 9415.

21493680 is an apocalyptic number.

1493680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1493680 is an abundant number, since it is smaller than the sum of its proper divisors (1979312).

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

1493680 is a wasteful number, since it uses less digits than its factorization.

1493680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18684 (or 18678 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1493680 is about 1222.1620187193. The cubic root of 1493680 is about 114.3104291787.

The spelling of 1493680 in words is "one million, four hundred ninety-three thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 18671 37342 74684 93355 149368 186710 298736 373420 746840 1493680