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1409929 = 17197421
BaseRepresentation
bin101011000001110001001
32122122001121
411120032021
5330104204
650115241
714661403
oct5301611
92578047
101409929
11883334
1257bb21
133a49a1
14289b73
151ccb54
hex158389

1409929 has 8 divisors (see below), whose sum is σ = 1504008. Its totient is φ = 1317120.

The previous prime is 1409917. The next prime is 1409957. The reversal of 1409929 is 9299041.

It can be written as a sum of positive squares in 4 ways, for example, as 328329 + 1081600 = 573^2 + 1040^2 .

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 1409929 - 213 = 1401737 is a prime.

It is a Duffinian number.

1409929 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1409894 and 1409903.

It is not an unprimeable number, because it can be changed into a prime (1409999) 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, 3139 + ... + 3559.

It is an arithmetic number, because the mean of its divisors is an integer number (188001).

21409929 is an apocalyptic number.

It is an amenable number.

1409929 is a deficient number, since it is larger than the sum of its proper divisors (94079).

1409929 is a wasteful number, since it uses less digits than its factorization.

1409929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 1409929 is about 1187.4043119342. The cubic root of 1409929 is about 112.1327348489.

The spelling of 1409929 in words is "one million, four hundred nine thousand, nine hundred twenty-nine".

Divisors: 1 17 197 421 3349 7157 82937 1409929