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1329318 = 233103239
BaseRepresentation
bin101000100100010100110
32111112111000
411010202212
5320014233
644254130
714204364
oct5044246
92445430
101329318
11828811
12541346
133770a3
14268634
151b3d13
hex1448a6

1329318 has 32 divisors (see below), whose sum is σ = 2995200. Its totient is φ = 436968.

The previous prime is 1329313. The next prime is 1329337. The reversal of 1329318 is 8139231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1329291 and 1329300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5443 + ... + 5681.

It is an arithmetic number, because the mean of its divisors is an integer number (93600).

21329318 is an apocalyptic number.

1329318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1329318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497600).

1329318 is an abundant number, since it is smaller than the sum of its proper divisors (1665882).

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

1329318 is a wasteful number, since it uses less digits than its factorization.

1329318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 347 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1329318 is about 1152.9605370523. The cubic root of 1329318 is about 109.9536443796.

The spelling of 1329318 in words is "one million, three hundred twenty-nine thousand, three hundred eighteen".

Divisors: 1 2 3 6 9 18 27 54 103 206 239 309 478 618 717 927 1434 1854 2151 2781 4302 5562 6453 12906 24617 49234 73851 147702 221553 443106 664659 1329318