Search a number
-
+
33856485 = 3513295987
BaseRepresentation
bin1000000100100…
…1101111100101
32100201002100220
42001021233211
532131401420
63205354553
7560526645
oct201115745
970632326
1033856485
1118124973
12b408a59
137025430
1446d4525
152e8b840
hex2049be5

33856485 has 32 divisors (see below), whose sum is σ = 60359040. Its totient is φ = 16090368.

The previous prime is 33856481. The next prime is 33856519. The reversal of 33856485 is 58465833.

It is not a de Polignac number, because 33856485 - 22 = 33856481 is a prime.

It is a super-2 number, since 2×338564852 = 2292523153110450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33856481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2662 + ... + 8648.

It is an arithmetic number, because the mean of its divisors is an integer number (1886220).

Almost surely, 233856485 is an apocalyptic number.

It is an amenable number.

33856485 is a deficient number, since it is larger than the sum of its proper divisors (26502555).

33856485 is a wasteful number, since it uses less digits than its factorization.

33856485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6037.

The product of its digits is 345600, while the sum is 42.

The square root of 33856485 is about 5818.6325713178. The cubic root of 33856485 is about 323.5047207247.

It can be divided in two parts, 3385 and 6485, that added together give a triangular number (9870 = T140).

The spelling of 33856485 in words is "thirty-three million, eight hundred fifty-six thousand, four hundred eighty-five".

Divisors: 1 3 5 13 15 29 39 65 87 145 195 377 435 1131 1885 5655 5987 17961 29935 77831 89805 173623 233493 389155 520869 868115 1167465 2257099 2604345 6771297 11285495 33856485