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1329430 = 25196997
BaseRepresentation
bin101000100100100010110
32111112122011
411010210112
5320020210
644254434
714204614
oct5044426
92445564
101329430
11828903
1254141a
1337715b
142686b4
151b3d8a
hex144916

1329430 has 16 divisors (see below), whose sum is σ = 2519280. Its totient is φ = 503712.

The previous prime is 1329407. The next prime is 1329437. The reversal of 1329430 is 349231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3309 + ... + 3688.

It is an arithmetic number, because the mean of its divisors is an integer number (157455).

21329430 is an apocalyptic number.

1329430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1329430 is a deficient number, since it is larger than the sum of its proper divisors (1189850).

1329430 is a wasteful number, since it uses less digits than its factorization.

1329430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7023.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1329430 is about 1153.0091066423. The cubic root of 1329430 is about 109.9567322945.

The spelling of 1329430 in words is "one million, three hundred twenty-nine thousand, four hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 6997 13994 34985 69970 132943 265886 664715 1329430