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1493740 = 22574687
BaseRepresentation
bin101101100101011101100
32210220000201
411230223230
5340244430
652003244
715460633
oct5545354
92726021
101493740
119302a6
12600524
13403b91
142ac51a
151e78ca
hex16caec

1493740 has 12 divisors (see below), whose sum is σ = 3136896. Its totient is φ = 597488.

The previous prime is 1493731. The next prime is 1493741. The reversal of 1493740 is 473941.

It is a junction number, because it is equal to n+sod(n) for n = 1493699 and 1493708.

It is not an unprimeable number, because it can be changed into a prime (1493741) 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, 37324 + ... + 37363.

It is an arithmetic number, because the mean of its divisors is an integer number (261408).

21493740 is an apocalyptic number.

1493740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1493740 is an abundant number, since it is smaller than the sum of its proper divisors (1643156).

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

1493740 is a wasteful number, since it uses less digits than its factorization.

1493740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74696 (or 74694 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1493740 is about 1222.1865651364. The cubic root of 1493740 is about 114.3119597461.

The spelling of 1493740 in words is "one million, four hundred ninety-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 74687 149374 298748 373435 746870 1493740