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30100202 = 2112294289
BaseRepresentation
bin111001011010…
…0101011101010
32002122020201022
41302310223222
530201201302
62553052442
7513563456
oct162645352
962566638
1030100202
1115a99800
12a0b7122
13630b792
143dd7666
1529988a2
hex1cb4aea

30100202 has 24 divisors (see below), whose sum is σ = 51351300. Its totient is φ = 13207040.

The previous prime is 30100201. The next prime is 30100223. The reversal of 30100202 is 20200103.

It can be written as a sum of positive squares in 2 ways, for example, as 27762361 + 2337841 = 5269^2 + 1529^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30100202.

It is not an unprimeable number, because it can be changed into a prime (30100201) 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, 4874 + ... + 9162.

Almost surely, 230100202 is an apocalyptic number.

30100202 is a deficient number, since it is larger than the sum of its proper divisors (21251098).

30100202 is a wasteful number, since it uses less digits than its factorization.

30100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342 (or 4331 counting only the distinct ones).

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

The square root of 30100202 is about 5486.3650990433. The cubic root of 30100202 is about 311.0688116055.

Adding to 30100202 its reverse (20200103), we get a palindrome (50300305).

Subtracting from 30100202 its reverse (20200103), we obtain a palindrome (9900099).

The spelling of 30100202 in words is "thirty million, one hundred thousand, two hundred two".

Divisors: 1 2 11 22 29 58 121 242 319 638 3509 4289 7018 8578 47179 94358 124381 248762 518969 1037938 1368191 2736382 15050101 30100202