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20083834 = 2172920369
BaseRepresentation
bin100110010011…
…1010001111010
31101210100211201
41030213101322
520120140314
61554244414
7332465311
oct114472172
941710751
1020083834
1110378311
12688670a
134212634
14294b278
151b6ab74
hex132747a

20083834 has 16 divisors (see below), whose sum is σ = 32999400. Its totient is φ = 9124864.

The previous prime is 20083831. The next prime is 20083837. The reversal of 20083834 is 43838002.

It is an interprime number because it is at equal distance from previous prime (20083831) and next prime (20083837).

It can be written as a sum of positive squares in 4 ways, for example, as 19775809 + 308025 = 4447^2 + 555^2 .

It is not an unprimeable number, because it can be changed into a prime (20083831) 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 7 ways as a sum of consecutive naturals, for example, 9199 + ... + 11170.

Almost surely, 220083834 is an apocalyptic number.

20083834 is a deficient number, since it is larger than the sum of its proper divisors (12915566).

20083834 is a wasteful number, since it uses less digits than its factorization.

20083834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20417.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 20083834 is about 4481.4990795492. The cubic root of 20083834 is about 271.8205004424.

The spelling of 20083834 in words is "twenty million, eighty-three thousand, eight hundred thirty-four".

Divisors: 1 2 17 29 34 58 493 986 20369 40738 346273 590701 692546 1181402 10041917 20083834