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30402200 = 2352712141
BaseRepresentation
bin111001111111…
…0011010011000
32010012120222102
41303332122120
530240332300
63003342532
7516262103
oct163763230
963176872
1030402200
1116185694
12a221a48
1363b608a
14407573a
152a080d5
hex1cfe698

30402200 has 48 divisors (see below), whose sum is σ = 71714160. Its totient is φ = 11984000.

The previous prime is 30402199. The next prime is 30402209. The reversal of 30402200 is 220403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30402209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13130 + ... + 15270.

It is an arithmetic number, because the mean of its divisors is an integer number (1494045).

Almost surely, 230402200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30402200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35857080).

30402200 is an abundant number, since it is smaller than the sum of its proper divisors (41311960).

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

30402200 is a wasteful number, since it uses less digits than its factorization.

30402200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228 (or 2219 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 30402200 is about 5513.8190031955. The cubic root of 30402200 is about 312.1056786434.

Adding to 30402200 its reverse (220403), we get a palindrome (30622603).

The spelling of 30402200 in words is "thirty million, four hundred two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 71 100 142 200 284 355 568 710 1420 1775 2141 2840 3550 4282 7100 8564 10705 14200 17128 21410 42820 53525 85640 107050 152011 214100 304022 428200 608044 760055 1216088 1520110 3040220 3800275 6080440 7600550 15201100 30402200