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30669150 = 2352204461
BaseRepresentation
bin111010011111…
…1100101011110
32010201011011110
41310333211132
530322403100
63013202450
7521453301
oct164774536
963634143
1030669150
1116348206
12a330426
13647a735
144104b38
152a5c250
hex1d3f95e

30669150 has 24 divisors (see below), whose sum is σ = 76059864. Its totient is φ = 8178400.

The previous prime is 30669131. The next prime is 30669151. The reversal of 30669150 is 5196603.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30669151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102081 + ... + 102380.

It is an arithmetic number, because the mean of its divisors is an integer number (3169161).

Almost surely, 230669150 is an apocalyptic number.

30669150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30669150 is an abundant number, since it is smaller than the sum of its proper divisors (45390714).

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

30669150 is a wasteful number, since it uses less digits than its factorization.

30669150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204476 (or 204471 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 30669150 is about 5537.9734560577. The cubic root of 30669150 is about 313.0165111549.

The spelling of 30669150 in words is "thirty million, six hundred sixty-nine thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 204461 408922 613383 1022305 1226766 2044610 3066915 5111525 6133830 10223050 15334575 30669150