Search a number
-
+
33620090 = 257480287
BaseRepresentation
bin1000000001000…
…0000001111010
32100021002002112
42000100001322
532101320330
63200332322
7555523520
oct200200172
970232075
1033620090
1117a832a9
12b3140a2
136c7195a
144672310
152e41795
hex201007a

33620090 has 16 divisors (see below), whose sum is σ = 69161472. Its totient is φ = 11526864.

The previous prime is 33620057. The next prime is 33620113. The reversal of 33620090 is 9002633.

It is a happy number.

It is a super-3 number, since 3×336200903 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240074 + ... + 240213.

It is an arithmetic number, because the mean of its divisors is an integer number (4322592).

Almost surely, 233620090 is an apocalyptic number.

33620090 is an abundant number, since it is smaller than the sum of its proper divisors (35541382).

33620090 is a wasteful number, since it uses less digits than its factorization.

33620090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480301.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 33620090 is about 5798.2833666526. The cubic root of 33620090 is about 322.7500294497.

The spelling of 33620090 in words is "thirty-three million, six hundred twenty thousand, ninety".

Divisors: 1 2 5 7 10 14 35 70 480287 960574 2401435 3362009 4802870 6724018 16810045 33620090