Search a number
-
+
33420752 = 242937129
BaseRepresentation
bin111111101111…
…1010111010000
32022212221122122
41333133113100
532023431002
63152153412
7554033411
oct177372720
968787578
1033420752
1117957562
12b238868
136c01cc1
14461d808
152e026a2
hex1fdf5d0

33420752 has 20 divisors (see below), whose sum is σ = 64982820. Its totient is φ = 16651008.

The previous prime is 33420733. The next prime is 33420763. The reversal of 33420752 is 25702433.

It can be written as a sum of positive squares in 2 ways, for example, as 27290176 + 6130576 = 5224^2 + 2476^2 .

It is a super-2 number, since 2×334207522 = 2233893328491008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124 + ... + 8252.

It is an arithmetic number, because the mean of its divisors is an integer number (3249141).

Almost surely, 233420752 is an apocalyptic number.

It is an amenable number.

33420752 is a deficient number, since it is larger than the sum of its proper divisors (31562068).

33420752 is a wasteful number, since it uses less digits than its factorization.

33420752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7430 (or 7424 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 33420752 is about 5781.0684133644. The cubic root of 33420752 is about 322.1108885988.

The spelling of 33420752 in words is "thirty-three million, four hundred twenty thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 293 586 1172 2344 4688 7129 14258 28516 57032 114064 2088797 4177594 8355188 16710376 33420752