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305049868 = 2297786211
BaseRepresentation
bin10010001011101…
…011000100001100
3210021000010202021
4102023223010030
51111043043433
650134135524
710362611134
oct2213530414
9707003667
10305049868
11147213532
12861b15a4
134b2784a6
142c729ac4
151bbaa22d
hex122eb10c

305049868 has 12 divisors (see below), whose sum is σ = 539341432. Its totient is φ = 150952320.

The previous prime is 305049863. The next prime is 305049893. The reversal of 305049868 is 868940503.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (305049863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392718 + ... + 393493.

Almost surely, 2305049868 is an apocalyptic number.

It is an amenable number.

305049868 is a deficient number, since it is larger than the sum of its proper divisors (234291564).

305049868 is a wasteful number, since it uses less digits than its factorization.

305049868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786312 (or 786310 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 305049868 is about 17465.6768549060. The cubic root of 305049868 is about 673.1682337646.

The spelling of 305049868 in words is "three hundred five million, forty-nine thousand, eight hundred sixty-eight".

Divisors: 1 2 4 97 194 388 786211 1572422 3144844 76262467 152524934 305049868