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1970829 = 327241109
BaseRepresentation
bin111100001001010001101
310201010110200
413201022031
51001031304
6110124113
722515600
oct7411215
93633420
101970829
111126793
127b0639
13540093
14394337
1528de39
hex1e128d

1970829 has 36 divisors (see below), whose sum is σ = 3423420. Its totient is φ = 1088640.

The previous prime is 1970809. The next prime is 1970867. The reversal of 1970829 is 9280791.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 636804 + 1334025 = 798^2 + 1155^2 .

It is not a de Polignac number, because 1970829 - 213 = 1962637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1970793 and 1970802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970809) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18027 + ... + 18135.

It is an arithmetic number, because the mean of its divisors is an integer number (95095).

21970829 is an apocalyptic number.

It is an amenable number.

1970829 is a deficient number, since it is larger than the sum of its proper divisors (1452591).

1970829 is a wasteful number, since it uses less digits than its factorization.

1970829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1970829 is about 1403.8621727221. The cubic root of 1970829 is about 125.3765498759.

The spelling of 1970829 in words is "one million, nine hundred seventy thousand, eight hundred twenty-nine".

Divisors: 1 3 7 9 21 41 49 63 109 123 147 287 327 369 441 763 861 981 2009 2289 2583 4469 5341 6027 6867 13407 16023 18081 31283 40221 48069 93849 218981 281547 656943 1970829