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1493420 = 22589839
BaseRepresentation
bin101101100100110101100
32210212120212
411230212230
5340242140
652001552
715456665
oct5544654
92725525
101493420
11930035
126002b8
134039a6
142ac36c
151e7765
hex16c9ac

1493420 has 24 divisors (see below), whose sum is σ = 3175200. Its totient is φ = 589952.

The previous prime is 1493389. The next prime is 1493423. The reversal of 1493420 is 243941.

It is not an unprimeable number, because it can be changed into a prime (1493423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1361 + ... + 2199.

It is an arithmetic number, because the mean of its divisors is an integer number (132300).

21493420 is an apocalyptic number.

1493420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1493420 is an abundant number, since it is smaller than the sum of its proper divisors (1681780).

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

1493420 is a wasteful number, since it uses less digits than its factorization.

1493420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1493420 is about 1222.0556452142. The cubic root of 1493420 is about 114.3037962461.

The spelling of 1493420 in words is "one million, four hundred ninety-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 89 178 356 445 839 890 1678 1780 3356 4195 8390 16780 74671 149342 298684 373355 746710 1493420