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428480368 = 2427139871
BaseRepresentation
bin11001100010100…
…001011101110000
31002212021001120021
4121202201131300
51334142332433
6110303453224
713422010621
oct3142413560
91085231507
10428480368
111aa958708
12bb5b7214
136aa039a4
1440c99a48
152793c22d
hex198a1770

428480368 has 20 divisors (see below), whose sum is σ = 830570848. Its totient is φ = 214139520.

The previous prime is 428480333. The next prime is 428480369. The reversal of 428480368 is 863084824.

It is a super-2 number, since 2×4284803682 = 367190851522830848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428480369) by changing a digit.

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, 38473 + ... + 48343.

Almost surely, 2428480368 is an apocalyptic number.

It is an amenable number.

428480368 is a deficient number, since it is larger than the sum of its proper divisors (402090480).

428480368 is a wasteful number, since it uses less digits than its factorization.

428480368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12592 (or 12586 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 43.

The square root of 428480368 is about 20699.7673416877. The cubic root of 428480368 is about 753.8940391030.

The spelling of 428480368 in words is "four hundred twenty-eight million, four hundred eighty thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 2713 5426 9871 10852 19742 21704 39484 43408 78968 157936 26780023 53560046 107120092 214240184 428480368