Search a number
-
+
33012804 = 223111913163
BaseRepresentation
bin111110111101…
…1110001000100
32022010020001110
41331323301010
531422402204
63135325020
7550414146
oct175736104
968106043
1033012804
11176a9010
12b080770
136abb406
144554c96
152d71889
hex1f7bc44

33012804 has 48 divisors (see below), whose sum is σ = 88462080. Its totient is φ = 9476640.

The previous prime is 33012787. The next prime is 33012809. The reversal of 33012804 is 40821033.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (33012809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4074 + ... + 9089.

It is an arithmetic number, because the mean of its divisors is an integer number (1842960).

Almost surely, 233012804 is an apocalyptic number.

It is an amenable number.

33012804 is an abundant number, since it is smaller than the sum of its proper divisors (55449276).

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

33012804 is a wasteful number, since it uses less digits than its factorization.

33012804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13200 (or 13198 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 33012804 is about 5745.6769836112. The cubic root of 33012804 is about 320.7949117461.

Adding to 33012804 its reverse (40821033), we get a palindrome (73833837).

It can be divided in two parts, 3301 and 2804, that added together give a triangular number (6105 = T110).

The spelling of 33012804 in words is "thirty-three million, twelve thousand, eight hundred four".

Divisors: 1 2 3 4 6 11 12 19 22 33 38 44 57 66 76 114 132 209 228 418 627 836 1254 2508 13163 26326 39489 52652 78978 144793 157956 250097 289586 434379 500194 579172 750291 868758 1000388 1500582 1737516 2751067 3001164 5502134 8253201 11004268 16506402 33012804