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1970285 = 53891013
BaseRepresentation
bin111100001000001101101
310201002201112
413201001231
51001022120
6110121405
722514162
oct7410155
93632645
101970285
111126339
127b0265
1353ca65
14394069
1528dbc5
hex1e106d

1970285 has 8 divisors (see below), whose sum is σ = 2372760. Its totient is φ = 1570624.

The previous prime is 1970279. The next prime is 1970291. The reversal of 1970285 is 5820791.

It is an interprime number because it is at equal distance from previous prime (1970279) and next prime (1970291).

It can be written as a sum of positive squares in 4 ways, for example, as 68644 + 1901641 = 262^2 + 1379^2 .

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 1970285 - 28 = 1970029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1439 + ... + 2451.

It is an arithmetic number, because the mean of its divisors is an integer number (296595).

21970285 is an apocalyptic number.

It is an amenable number.

1970285 is a deficient number, since it is larger than the sum of its proper divisors (402475).

1970285 is a wasteful number, since it uses less digits than its factorization.

1970285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1970285 is about 1403.6684081363. The cubic root of 1970285 is about 125.3650130861.

The spelling of 1970285 in words is "one million, nine hundred seventy thousand, two hundred eighty-five".

Divisors: 1 5 389 1013 1945 5065 394057 1970285