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1317472 = 25133167
BaseRepresentation
bin101000001101001100000
32110221020021
411001221200
5314124342
644123224
714125012
oct5015140
92427207
101317472
1181a922
12536514
13371890
142641b2
151b0567
hex141a60

1317472 has 24 divisors (see below), whose sum is σ = 2794176. Its totient is φ = 607872.

The previous prime is 1317461. The next prime is 1317487. The reversal of 1317472 is 2747131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168 + ... + 1999.

It is an arithmetic number, because the mean of its divisors is an integer number (116424).

21317472 is an apocalyptic number.

It is an amenable number.

1317472 is an abundant number, since it is smaller than the sum of its proper divisors (1476704).

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

1317472 is a wasteful number, since it uses less digits than its factorization.

1317472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190 (or 3182 counting only the distinct ones).

The product of its digits is 1176, while the sum is 25.

The square root of 1317472 is about 1147.8118312685. The cubic root of 1317472 is about 109.6260580589.

The spelling of 1317472 in words is "one million, three hundred seventeen thousand, four hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 3167 6334 12668 25336 41171 50672 82342 101344 164684 329368 658736 1317472