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387925998 = 2364654333
BaseRepresentation
bin10111000111110…
…100011111101110
31000000221200102120
4113013310133232
51243302112443
6102254333410
712420213405
oct2707643756
91000850376
10387925998
11189a795a9
12a9aba266
13624a4a15
143974063c
15240cb083
hex171f47ee

387925998 has 8 divisors (see below), whose sum is σ = 775852008. Its totient is φ = 129308664.

The previous prime is 387925963. The next prime is 387926081. The reversal of 387925998 is 899529783.

It is a sphenic number, since it is the product of 3 distinct primes.

387925998 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32327161 + ... + 32327172.

It is an arithmetic number, because the mean of its divisors is an integer number (96981501).

Almost surely, 2387925998 is an apocalyptic number.

387925998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

387925998 is a wasteful number, since it uses less digits than its factorization.

387925998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64654338.

The product of its digits is 9797760, while the sum is 60.

The square root of 387925998 is about 19695.8370728436. The cubic root of 387925998 is about 729.3169303180.

The spelling of 387925998 in words is "three hundred eighty-seven million, nine hundred twenty-five thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 64654333 129308666 193962999 387925998