Search a number
-
+
33481407 = 324146309
BaseRepresentation
bin111111110111…
…0001010111111
32100000000212010
41333232022333
532032401112
63153342303
7554405301
oct177561277
970000763
1033481407
1117999093
12b267993
136c237ab
144637971
152e1563c
hex1fee2bf

33481407 has 8 divisors (see below), whose sum is σ = 44828080. Its totient is φ = 22227840.

The previous prime is 33481397. The next prime is 33481423. The reversal of 33481407 is 70418433.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33481407 - 222 = 29287103 is a prime.

It is a super-2 number, since 2×334814072 = 2242009229399298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33481507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22432 + ... + 23877.

It is an arithmetic number, because the mean of its divisors is an integer number (5603510).

Almost surely, 233481407 is an apocalyptic number.

33481407 is a deficient number, since it is larger than the sum of its proper divisors (11346673).

33481407 is a wasteful number, since it uses less digits than its factorization.

33481407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46553.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 33481407 is about 5786.3120379046. The cubic root of 33481407 is about 322.3056361446.

The spelling of 33481407 in words is "thirty-three million, four hundred eighty-one thousand, four hundred seven".

Divisors: 1 3 241 723 46309 138927 11160469 33481407