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30255100 = 2252302551
BaseRepresentation
bin111001101101…
…0011111111100
32002221010012021
41303122133330
530221130400
63000245524
7515110201
oct163323774
962833167
1030255100
1116095117
12a1708a4
136364135
144037ca8
1529c971a
hex1cda7fc

30255100 has 18 divisors (see below), whose sum is σ = 65653784. Its totient is φ = 12102000.

The previous prime is 30255073. The next prime is 30255109. The reversal of 30255100 is 155203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30255109) 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 5 ways as a sum of consecutive naturals, for example, 151176 + ... + 151375.

Almost surely, 230255100 is an apocalyptic number.

It is an amenable number.

30255100 is an abundant number, since it is smaller than the sum of its proper divisors (35398684).

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

30255100 is a wasteful number, since it uses less digits than its factorization.

30255100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302565 (or 302558 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 30255100 is about 5500.4636168236. The cubic root of 30255100 is about 311.6014937394.

The spelling of 30255100 in words is "thirty million, two hundred fifty-five thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 302551 605102 1210204 1512755 3025510 6051020 7563775 15127550 30255100