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33389230 = 257476989
BaseRepresentation
bin111111101011…
…1101010101110
32022211100102011
41333113222232
532021423410
63151351434
7553542460
oct177275256
968740364
1033389230
1117935906
12b22257a
136bc0854
144612130
152de818a
hex1fd7aae

33389230 has 16 divisors (see below), whose sum is σ = 68686560. Its totient is φ = 11447712.

The previous prime is 33389197. The next prime is 33389231. The reversal of 33389230 is 3298333.

It is a super-2 number, since 2×333892302 = 2229681359985800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33389192 and 33389201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33389231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238425 + ... + 238564.

It is an arithmetic number, because the mean of its divisors is an integer number (4292910).

Almost surely, 233389230 is an apocalyptic number.

33389230 is an abundant number, since it is smaller than the sum of its proper divisors (35297330).

33389230 is a wasteful number, since it uses less digits than its factorization.

33389230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477003.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 33389230 is about 5778.3414575464. The cubic root of 33389230 is about 322.0095865361.

The spelling of 33389230 in words is "thirty-three million, three hundred eighty-nine thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 476989 953978 2384945 3338923 4769890 6677846 16694615 33389230