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1493245 = 51322973
BaseRepresentation
bin101101100100011111101
32210212100101
411230203331
5340240440
652001101
715456325
oct5544375
92725311
101493245
1192a996
12600191
134038a0
142ac285
151e769a
hex16c8fd

1493245 has 8 divisors (see below), whose sum is σ = 1929816. Its totient is φ = 1102656.

The previous prime is 1493221. The next prime is 1493249. The reversal of 1493245 is 5423941.

It can be written as a sum of positive squares in 4 ways, for example, as 38809 + 1454436 = 197^2 + 1206^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1493245 - 25 = 1493213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11422 + ... + 11551.

It is an arithmetic number, because the mean of its divisors is an integer number (241227).

21493245 is an apocalyptic number.

It is an amenable number.

1493245 is a deficient number, since it is larger than the sum of its proper divisors (436571).

1493245 is a wasteful number, since it uses less digits than its factorization.

1493245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22991.

The product of its digits is 4320, while the sum is 28.

The square root of 1493245 is about 1221.9840424490. The cubic root of 1493245 is about 114.2993313388.

The spelling of 1493245 in words is "one million, four hundred ninety-three thousand, two hundred forty-five".

Divisors: 1 5 13 65 22973 114865 298649 1493245