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30210200 = 2352151051
BaseRepresentation
bin111001100111…
…1100010011000
32002211211121022
41303033202120
530213211300
62555302012
7514532246
oct163174230
962754538
1030210200
1116064409
12a14a908
136349877
144025796
1529bb285
hex1ccf898

30210200 has 24 divisors (see below), whose sum is σ = 70239180. Its totient is φ = 12084000.

The previous prime is 30210181. The next prime is 30210203. The reversal of 30210200 is 201203.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30210203) 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 5 ways as a sum of consecutive naturals, for example, 75326 + ... + 75725.

Almost surely, 230210200 is an apocalyptic number.

It is an amenable number.

30210200 is an abundant number, since it is smaller than the sum of its proper divisors (40028980).

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

30210200 is a wasteful number, since it uses less digits than its factorization.

30210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151067 (or 151058 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 30210200 is about 5496.3806272856. The cubic root of 30210200 is about 311.4472736373.

Adding to 30210200 its reverse (201203), we get a palindrome (30411403).

The spelling of 30210200 in words is "thirty million, two hundred ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 151051 302102 604204 755255 1208408 1510510 3021020 3776275 6042040 7552550 15105100 30210200