Search a number
-
+
20035434 = 2373149307
BaseRepresentation
bin100110001101…
…1011101101010
31101200220110010
41030123131222
520112113214
61553232350
7332204226
oct114333552
941626403
1020035434
1110344a11
1268626b6
1341c65b3
142937786
151b5b659
hex131b76a

20035434 has 32 divisors (see below), whose sum is σ = 41025600. Its totient is φ = 6521472.

The previous prime is 20035409. The next prime is 20035441. The reversal of 20035434 is 43453002.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20035434.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65109 + ... + 65415.

It is an arithmetic number, because the mean of its divisors is an integer number (1282050).

Almost surely, 220035434 is an apocalyptic number.

20035434 is an abundant number, since it is smaller than the sum of its proper divisors (20990166).

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

20035434 is a wasteful number, since it uses less digits than its factorization.

20035434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 20035434 is about 4476.0958434779. The cubic root of 20035434 is about 271.6019715385.

Adding to 20035434 its reverse (43453002), we get a palindrome (63488436).

The spelling of 20035434 in words is "twenty million, thirty-five thousand, four hundred thirty-four".

Divisors: 1 2 3 6 73 146 149 219 298 307 438 447 614 894 921 1842 10877 21754 22411 32631 44822 45743 65262 67233 91486 134466 137229 274458 3339239 6678478 10017717 20035434