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20034290 = 257392711
BaseRepresentation
bin100110001101…
…1001011110010
31101200211212202
41030123023302
520112044130
61553223202
7332201003
oct114331362
941624782
1020034290
1110344071
126861b02
1341c5c13
1429371aa
151b5b145
hex131b2f2

20034290 has 16 divisors (see below), whose sum is σ = 36123840. Its totient is φ = 7999920.

The previous prime is 20034271. The next prime is 20034293. The reversal of 20034290 is 9243002.

It is not an unprimeable number, because it can be changed into a prime (20034293) 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, 6035 + ... + 8745.

It is an arithmetic number, because the mean of its divisors is an integer number (2257740).

Almost surely, 220034290 is an apocalyptic number.

20034290 is a deficient number, since it is larger than the sum of its proper divisors (16089550).

20034290 is a wasteful number, since it uses less digits than its factorization.

20034290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20034290 is about 4475.9680517180. The cubic root of 20034290 is about 271.5968020544.

Adding to 20034290 its reverse (9243002), we get a palindrome (29277292).

The spelling of 20034290 in words is "twenty million, thirty-four thousand, two hundred ninety".

Divisors: 1 2 5 10 739 1478 2711 3695 5422 7390 13555 27110 2003429 4006858 10017145 20034290