Search a number
-
+
33214545 = 3257138111
BaseRepresentation
bin111111010110…
…1000001010001
32022111110210100
41332231001101
532000331140
63143523013
7552214260
oct176550121
968443710
1033214545
1117826641
12b159469
136b5c1a0
1445a85d7
152db1530
hex1fad051

33214545 has 48 divisors (see below), whose sum is σ = 70866432. Its totient is φ = 14014080.

The previous prime is 33214543. The next prime is 33214591. The reversal of 33214545 is 54541233.

It is not a de Polignac number, because 33214545 - 21 = 33214543 is a prime.

It is a super-2 number, since 2×332145452 = 2206411999114050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33214543) 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 47 ways as a sum of consecutive naturals, for example, 40 + ... + 8150.

It is an arithmetic number, because the mean of its divisors is an integer number (1476384).

Almost surely, 233214545 is an apocalyptic number.

33214545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33214545 is an abundant number, since it is smaller than the sum of its proper divisors (37651887).

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

33214545 is a wasteful number, since it uses less digits than its factorization.

33214545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8142 (or 8139 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 33214545 is about 5763.2061389473. The cubic root of 33214545 is about 321.4470435945.

Adding to 33214545 its reverse (54541233), we get a palindrome (87755778).

The spelling of 33214545 in words is "thirty-three million, two hundred fourteen thousand, five hundred forty-five".

Divisors: 1 3 5 7 9 13 15 21 35 39 45 63 65 91 105 117 195 273 315 455 585 819 1365 4095 8111 24333 40555 56777 72999 105443 121665 170331 283885 316329 364995 510993 527215 738101 851655 948987 1581645 2214303 2554965 3690505 4744935 6642909 11071515 33214545