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33990089240 = 235849752231
BaseRepresentation
bin11111101001111101…
…111001101000011000
310020201211100102211002
4133221331321220120
51024102430323430
623340445324132
72312206664042
oct375175715030
9106654312732
1033990089240
1113462579148
126707266648
133288c26753
14190633ca92
15d3e092845
hex7e9f79a18

33990089240 has 16 divisors (see below), whose sum is σ = 76477700880. Its totient is φ = 13596035680.

The previous prime is 33990089233. The next prime is 33990089251. The reversal of 33990089240 is 4298009933.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424876076 + ... + 424876155.

It is an arithmetic number, because the mean of its divisors is an integer number (4779856305).

Almost surely, 233990089240 is an apocalyptic number.

It is an amenable number.

33990089240 is an abundant number, since it is smaller than the sum of its proper divisors (42487611640).

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

33990089240 is a wasteful number, since it uses less digits than its factorization.

33990089240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849752242 (or 849752238 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 33990089240 in words is "thirty-three billion, nine hundred ninety million, eighty-nine thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 849752231 1699504462 3399008924 4248761155 6798017848 8497522310 16995044620 33990089240