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33150030 = 2357315137
BaseRepresentation
bin111111001110…
…1010001001110
32022101012021220
41332131101032
531441300110
63142304210
7551525214
oct176352116
968335256
1033150030
1117792121
12b128066
136b38a04
14458ccb4
152d9c370
hex1f9d44e

33150030 has 32 divisors (see below), whose sum is σ = 80655264. Its totient is φ = 8718336.

The previous prime is 33150011. The next prime is 33150031. The reversal of 33150030 is 3005133.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 33149991 and 33150009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33150031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5379 + ... + 9758.

It is an arithmetic number, because the mean of its divisors is an integer number (2520477).

Almost surely, 233150030 is an apocalyptic number.

33150030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33150030 is an abundant number, since it is smaller than the sum of its proper divisors (47505234).

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

33150030 is a wasteful number, since it uses less digits than its factorization.

33150030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15220.

The product of its (nonzero) digits is 135, while the sum is 15.

The square root of 33150030 is about 5757.6062734439. The cubic root of 33150030 is about 321.2387854594.

Adding to 33150030 its reverse (3005133), we get a palindrome (36155163).

The spelling of 33150030 in words is "thirty-three million, one hundred fifty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 15137 30274 45411 75685 90822 151370 227055 454110 1105001 2210002 3315003 5525005 6630006 11050010 16575015 33150030