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30449200 = 245276123
BaseRepresentation
bin111010000100…
…1111000110000
32010021222110011
41310021320300
530243333300
63004344304
7516546115
oct164117060
963258404
1030449200
1116207a31
12a245094
1364015a2
14408890c
152a16eba
hex1d09e30

30449200 has 30 divisors (see below), whose sum is σ = 73155164. Its totient is φ = 12179520.

The previous prime is 30449197. The next prime is 30449213. The reversal of 30449200 is 294403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37662 + ... + 38461.

Almost surely, 230449200 is an apocalyptic number.

It is an amenable number.

30449200 is an abundant number, since it is smaller than the sum of its proper divisors (42705964).

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

30449200 is a wasteful number, since it uses less digits than its factorization.

30449200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76141 (or 76130 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 30449200 is about 5518.0793760148. The cubic root of 30449200 is about 312.2664281315.

The spelling of 30449200 in words is "thirty million, four hundred forty-nine thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 76123 152246 304492 380615 608984 761230 1217968 1522460 1903075 3044920 3806150 6089840 7612300 15224600 30449200