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305870996 = 22571133919
BaseRepresentation
bin10010001110110…
…011100010010100
3210022112212010102
4102032303202110
51111300332441
650203513232
710402601114
oct2216634224
9708485112
10305870996
11147724452
1286528818
134b4a5172
142c8a1044
151bcbd69b
hex123b3894

305870996 has 12 divisors (see below), whose sum is σ = 536215680. Its totient is φ = 152666520.

The previous prime is 305870989. The next prime is 305871047. The reversal of 305870996 is 699078503.

It is a self number, because there is not a number n which added to its sum of digits gives 305870996.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64676 + ... + 69243.

It is an arithmetic number, because the mean of its divisors is an integer number (44684640).

Almost surely, 2305870996 is an apocalyptic number.

It is an amenable number.

305870996 is a deficient number, since it is larger than the sum of its proper divisors (230344684).

305870996 is a wasteful number, since it uses less digits than its factorization.

305870996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134494 (or 134492 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 305870996 is about 17489.1679619129. The cubic root of 305870996 is about 673.7717001879.

The spelling of 305870996 in words is "three hundred five million, eight hundred seventy thousand, nine hundred ninety-six".

Divisors: 1 2 4 571 1142 2284 133919 267838 535676 76467749 152935498 305870996