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1970085 = 351310103
BaseRepresentation
bin111100000111110100101
310201002110010
413200332211
51001020320
6110120433
722513455
oct7407645
93632403
101970085
111126177
127b0119
1353c940
14393d65
1528dae0
hex1e0fa5

1970085 has 16 divisors (see below), whose sum is σ = 3394944. Its totient is φ = 969792.

The previous prime is 1970083. The next prime is 1970119. The reversal of 1970085 is 5800791.

It is not a de Polignac number, because 1970085 - 21 = 1970083 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4857 + ... + 5246.

It is an arithmetic number, because the mean of its divisors is an integer number (212184).

21970085 is an apocalyptic number.

1970085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1970085 is a deficient number, since it is larger than the sum of its proper divisors (1424859).

1970085 is a wasteful number, since it uses less digits than its factorization.

1970085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10124.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 1970085 is about 1403.5971644314. The cubic root of 1970085 is about 125.3607710854.

The spelling of 1970085 in words is "one million, nine hundred seventy thousand, eighty-five".

Divisors: 1 3 5 13 15 39 65 195 10103 30309 50515 131339 151545 394017 656695 1970085