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30194212 = 227548553
BaseRepresentation
bin111001100101…
…1101000100100
32002211000200011
41303023220210
530212203322
62555100004
7514434526
oct163135044
962730604
1030194212
11160533a4
12a141604
1363424c9
14401da16
1529b6677
hex1ccba24

30194212 has 6 divisors (see below), whose sum is σ = 52839878. Its totient is φ = 15097104.

The previous prime is 30194161. The next prime is 30194221. The reversal of 30194212 is 21249103.

It can be written as a sum of positive squares in only one way, i.e., 29528356 + 665856 = 5434^2 + 816^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3774273 + ... + 3774280.

Almost surely, 230194212 is an apocalyptic number.

It is an amenable number.

30194212 is a deficient number, since it is larger than the sum of its proper divisors (22645666).

30194212 is a wasteful number, since it uses less digits than its factorization.

30194212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7548557 (or 7548555 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 30194212 is about 5494.9260231599. The cubic root of 30194212 is about 311.3923220240.

The spelling of 30194212 in words is "thirty million, one hundred ninety-four thousand, two hundred twelve".

Divisors: 1 2 4 7548553 15097106 30194212