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304149132 = 223271206941
BaseRepresentation
bin10010001000001…
…111001010001100
3210012022101011200
4102020033022030
51110330233012
650102545500
710352140110
oct2210171214
9705271150
10304149132
11146758821
1285a38290
134b021501
142c573740
151ba7d3dc
hex1220f28c

304149132 has 36 divisors (see below), whose sum is σ = 878653776. Its totient is φ = 86899680.

The previous prime is 304149121. The next prime is 304149149. The reversal of 304149132 is 231941403.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 304149096 and 304149105.

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 11 ways as a sum of consecutive naturals, for example, 603219 + ... + 603722.

Almost surely, 2304149132 is an apocalyptic number.

It is an amenable number.

304149132 is an abundant number, since it is smaller than the sum of its proper divisors (574504644).

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

304149132 is a wasteful number, since it uses less digits than its factorization.

304149132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206958 (or 1206953 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 304149132 is about 17439.8719031993. The cubic root of 304149132 is about 672.5050147265.

The spelling of 304149132 in words is "three hundred four million, one hundred forty-nine thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 1206941 2413882 3620823 4827764 7241646 8448587 10862469 14483292 16897174 21724938 25345761 33794348 43449876 50691522 76037283 101383044 152074566 304149132