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1321494 = 23257857
BaseRepresentation
bin101000010101000010110
32111010202020
411002220112
5314241434
644154010
714142516
oct5025026
92433666
101321494
11822949
12538906
13373665
14265846
151b1849
hex142a16

1321494 has 16 divisors (see below), whose sum is σ = 2656368. Its totient is φ = 438272.

The previous prime is 1321487. The next prime is 1321513. The reversal of 1321494 is 4941231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1114 + ... + 1970.

It is an arithmetic number, because the mean of its divisors is an integer number (166023).

21321494 is an apocalyptic number.

1321494 is an abundant number, since it is smaller than the sum of its proper divisors (1334874).

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

1321494 is a wasteful number, since it uses less digits than its factorization.

1321494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119.

The product of its digits is 864, while the sum is 24.

The square root of 1321494 is about 1149.5625254852. The cubic root of 1321494 is about 109.7375008034.

The spelling of 1321494 in words is "one million, three hundred twenty-one thousand, four hundred ninety-four".

Divisors: 1 2 3 6 257 514 771 857 1542 1714 2571 5142 220249 440498 660747 1321494