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2090979 = 321121121
BaseRepresentation
bin111111110011111100011
310221020021200
413332133203
51013402404
6112452243
723526102
oct7763743
93836250
102090979
1111a8a90
1284a083
13582987
143c6039
152b4839
hex1fe7e3

2090979 has 12 divisors (see below), whose sum is σ = 3295032. Its totient is φ = 1267200.

The previous prime is 2090951. The next prime is 2090989. The reversal of 2090979 is 9790902.

It is not a de Polignac number, because 2090979 - 215 = 2058211 is a prime.

It is a zygodrome in base 2.

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 11 ways as a sum of consecutive naturals, for example, 10462 + ... + 10659.

It is an arithmetic number, because the mean of its divisors is an integer number (274586).

22090979 is an apocalyptic number.

2090979 is a deficient number, since it is larger than the sum of its proper divisors (1204053).

2090979 is a wasteful number, since it uses less digits than its factorization.

2090979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21138 (or 21135 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 2090979 is about 1446.0217840683. The cubic root of 2090979 is about 127.8742865662.

The spelling of 2090979 in words is "two million, ninety thousand, nine hundred seventy-nine".

Divisors: 1 3 9 11 33 99 21121 63363 190089 232331 696993 2090979