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30103228 = 2223327209
BaseRepresentation
bin111001011010…
…1011010111100
32002122101212101
41302311122330
530201300403
62553114444
7513605341
oct162653274
962571771
1030103228
1115aa1001
12a0b8a24
13630cc7c
143dd87c8
15299971d
hex1cb56bc

30103228 has 12 divisors (see below), whose sum is σ = 54971280. Its totient is φ = 14397152.

The previous prime is 30103217. The next prime is 30103231. The reversal of 30103228 is 82230103.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163513 + ... + 163696.

It is an arithmetic number, because the mean of its divisors is an integer number (4580940).

Almost surely, 230103228 is an apocalyptic number.

It is an amenable number.

30103228 is a deficient number, since it is larger than the sum of its proper divisors (24868052).

30103228 is a wasteful number, since it uses less digits than its factorization.

30103228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327236 (or 327234 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 30103228 is about 5486.6408666870. The cubic root of 30103228 is about 311.0792352640.

The spelling of 30103228 in words is "thirty million, one hundred three thousand, two hundred twenty-eight".

Divisors: 1 2 4 23 46 92 327209 654418 1308836 7525807 15051614 30103228