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33145030 = 253314503
BaseRepresentation
bin111111001110…
…0000011000110
32022100221102201
41332130003012
531441120110
63142225114
7551504512
oct176340306
968327381
1033145030
1117789396
12b12519a
136b36659
14458b142
152d9ab3a
hex1f9c0c6

33145030 has 8 divisors (see below), whose sum is σ = 59661072. Its totient is φ = 13258008.

The previous prime is 33145027. The next prime is 33145031. The reversal of 33145030 is 3054133.

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

It is a junction number, because it is equal to n+sod(n) for n = 33144989 and 33145007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33145031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657242 + ... + 1657261.

It is an arithmetic number, because the mean of its divisors is an integer number (7457634).

Almost surely, 233145030 is an apocalyptic number.

33145030 is a deficient number, since it is larger than the sum of its proper divisors (26516042).

33145030 is a wasteful number, since it uses less digits than its factorization.

33145030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314510.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 33145030 is about 5757.1720488448. The cubic root of 33145030 is about 321.2226338935. Note that the first 3 decimals are identical.

Adding to 33145030 its reverse (3054133), we get a palindrome (36199163).

The spelling of 33145030 in words is "thirty-three million, one hundred forty-five thousand, thirty".

Divisors: 1 2 5 10 3314503 6629006 16572515 33145030