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2980406 = 2111317613
BaseRepresentation
bin1011010111101000110110
312121102100102
423113220312
51230333111
6143514102
734222142
oct13275066
95542312
102980406
111756250
12bb8932
13804770
14578222
153dd13b
hex2d7a36

2980406 has 32 divisors (see below), whose sum is σ = 5570208. Its totient is φ = 1175040.

The previous prime is 2980403. The next prime is 2980421. The reversal of 2980406 is 6040892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2980403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4556 + ... + 5168.

It is an arithmetic number, because the mean of its divisors is an integer number (174069).

22980406 is an apocalyptic number.

2980406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2980406 is a deficient number, since it is larger than the sum of its proper divisors (2589802).

2980406 is a wasteful number, since it uses less digits than its factorization.

2980406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2980406 is about 1726.3852409008. The cubic root of 2980406 is about 143.9102771837.

The spelling of 2980406 in words is "two million, nine hundred eighty thousand, four hundred six".

Divisors: 1 2 11 13 17 22 26 34 143 187 221 286 374 442 613 1226 2431 4862 6743 7969 10421 13486 15938 20842 87659 114631 135473 175318 229262 270946 1490203 2980406