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387679480 = 2359691987
BaseRepresentation
bin10111000110111…
…000010011111000
31000000111011021021
4113012320103320
51243221220410
6102245152224
712415135606
oct2706702370
91000434237
10387679480
11189920371
12a99bb674
1362419756
14396b8876
152407ceda
hex171b84f8

387679480 has 16 divisors (see below), whose sum is σ = 872278920. Its totient is φ = 155071776.

The previous prime is 387679463. The next prime is 387679483. The reversal of 387679480 is 84976783.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387679483) 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, 4845954 + ... + 4846033.

Almost surely, 2387679480 is an apocalyptic number.

It is an amenable number.

387679480 is an abundant number, since it is smaller than the sum of its proper divisors (484599440).

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

387679480 is a wasteful number, since it uses less digits than its factorization.

387679480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9691998 (or 9691994 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 387679480 is about 19689.5779538313. The cubic root of 387679480 is about 729.1624095679.

The spelling of 387679480 in words is "three hundred eighty-seven million, six hundred seventy-nine thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 9691987 19383974 38767948 48459935 77535896 96919870 193839740 387679480