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2992638 = 231145343
BaseRepresentation
bin1011011010100111111110
312122001010110
423122213332
51231231023
6144050450
734302615
oct13324776
95561113
102992638
111764460
121003a26
1380a1bc
1457c87c
153e1a93
hex2da9fe

2992638 has 16 divisors (see below), whose sum is σ = 6529536. Its totient is φ = 906840.

The previous prime is 2992621. The next prime is 2992651. The reversal of 2992638 is 8362992.

It is a junction number, because it is equal to n+sod(n) for n = 2992596 and 2992605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22606 + ... + 22737.

It is an arithmetic number, because the mean of its divisors is an integer number (408096).

22992638 is an apocalyptic number.

2992638 is an abundant number, since it is smaller than the sum of its proper divisors (3536898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2992638 is a wasteful number, since it uses less digits than its factorization.

2992638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45359.

The product of its digits is 46656, while the sum is 39.

The square root of 2992638 is about 1729.9242757994. The cubic root of 2992638 is about 144.1068843797.

The spelling of 2992638 in words is "two million, nine hundred ninety-two thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 45343 90686 136029 272058 498773 997546 1496319 2992638