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1672029 = 3361927
BaseRepresentation
bin110011000001101011101
310010221121000
412120031131
5412001104
655500513
720132502
oct6301535
93127530
101672029
11a42247
12687739
13467088
143174a9
15230639
hex19835d

1672029 has 8 divisors (see below), whose sum is σ = 2477120. Its totient is φ = 1114668.

The previous prime is 1672009. The next prime is 1672037. The reversal of 1672029 is 9202761.

It is not a de Polignac number, because 1672029 - 25 = 1671997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 61927 = 1672029 / (1 + 6 + 7 + 2 + 0 + 2 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1671993 and 1672011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30937 + ... + 30990.

It is an arithmetic number, because the mean of its divisors is an integer number (309640).

21672029 is an apocalyptic number.

It is an amenable number.

1672029 is a deficient number, since it is larger than the sum of its proper divisors (805091).

1672029 is an equidigital number, since it uses as much as digits as its factorization.

1672029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61936 (or 61930 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1672029 is about 1293.0696036950. The cubic root of 1672029 is about 118.6901290070.

The spelling of 1672029 in words is "one million, six hundred seventy-two thousand, twenty-nine".

Divisors: 1 3 9 27 61927 185781 557343 1672029