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30100222 = 2101149011
BaseRepresentation
bin111001011010…
…0101011111110
32002122020202001
41302310223332
530201201342
62553052514
7513563515
oct162645376
962566661
1030100222
1115a99819
12a0b713a
13630b7a9
143dd767c
1529988b7
hex1cb4afe

30100222 has 8 divisors (see below), whose sum is σ = 45597672. Its totient is φ = 14901000.

The previous prime is 30100201. The next prime is 30100223. The reversal of 30100222 is 22200103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30100199 and 30100208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30100223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74304 + ... + 74707.

It is an arithmetic number, because the mean of its divisors is an integer number (5699709).

Almost surely, 230100222 is an apocalyptic number.

30100222 is a deficient number, since it is larger than the sum of its proper divisors (15497450).

30100222 is a wasteful number, since it uses less digits than its factorization.

30100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149114.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 30100222 is about 5486.3669217434. The cubic root of 30100222 is about 311.0688805018.

Adding to 30100222 its reverse (22200103), we get a palindrome (52300325).

The spelling of 30100222 in words is "thirty million, one hundred thousand, two hundred twenty-two".

Divisors: 1 2 101 202 149011 298022 15050111 30100222