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2090985 = 351310723
BaseRepresentation
bin111111110011111101001
310221020021220
413332133221
51013402420
6112452253
723526111
oct7763751
93836256
102090985
1111a8a96
1284a089
13582990
143c6041
152b4840
hex1fe7e9

2090985 has 16 divisors (see below), whose sum is σ = 3603264. Its totient is φ = 1029312.

The previous prime is 2090951. The next prime is 2090989. The reversal of 2090985 is 5890902.

It is not a de Polignac number, because 2090985 - 213 = 2082793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2090989) 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, 5167 + ... + 5556.

It is an arithmetic number, because the mean of its divisors is an integer number (225204).

22090985 is an apocalyptic number.

It is an amenable number.

2090985 is a deficient number, since it is larger than the sum of its proper divisors (1512279).

2090985 is a wasteful number, since it uses less digits than its factorization.

2090985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10744.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 2090985 is about 1446.0238587243. The cubic root of 2090985 is about 127.8744088765.

The spelling of 2090985 in words is "two million, ninety thousand, nine hundred eighty-five".

Divisors: 1 3 5 13 15 39 65 195 10723 32169 53615 139399 160845 418197 696995 2090985