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2030985 = 325112373
BaseRepresentation
bin111101111110110001001
310211011222200
413233312021
51004442420
6111310413
723156145
oct7576611
93734880
102030985
111167a00
1281b409
13561588
143ac225
152a1b90
hex1efd89

2030985 has 36 divisors (see below), whose sum is σ = 3879876. Its totient is φ = 982080.

The previous prime is 2030981. The next prime is 2030999. The reversal of 2030985 is 5890302.

It can be written as a sum of positive squares in 2 ways, for example, as 915849 + 1115136 = 957^2 + 1056^2 .

It is not a de Polignac number, because 2030985 - 22 = 2030981 is a prime.

2030985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2030981) 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, 5259 + ... + 5631.

22030985 is an apocalyptic number.

It is an amenable number.

2030985 is a deficient number, since it is larger than the sum of its proper divisors (1848891).

2030985 is a wasteful number, since it uses less digits than its factorization.

2030985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2030985 is about 1425.1263101915. The cubic root of 2030985 is about 126.6394178074.

The spelling of 2030985 in words is "two million, thirty thousand, nine hundred eighty-five".

Divisors: 1 3 5 9 11 15 33 45 55 99 121 165 363 373 495 605 1089 1119 1815 1865 3357 4103 5445 5595 12309 16785 20515 36927 45133 61545 135399 184635 225665 406197 676995 2030985