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388041982 = 2296690379
BaseRepresentation
bin10111001000010…
…000110011111110
31000001011120112021
4113020100303332
51243314320412
6102301030354
712421205506
oct2710206376
91001146467
10388041982
1118a048759
12a9b553ba
1362515753
1439770a06
1524100607
hex17210cfe

388041982 has 8 divisors (see below), whose sum is σ = 602134200. Its totient is φ = 187330584.

The previous prime is 388041967. The next prime is 388042007. The reversal of 388041982 is 289140883.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3345132 + ... + 3345247.

It is an arithmetic number, because the mean of its divisors is an integer number (75266775).

Almost surely, 2388041982 is an apocalyptic number.

388041982 is a deficient number, since it is larger than the sum of its proper divisors (214092218).

388041982 is a wasteful number, since it uses less digits than its factorization.

388041982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690410.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 388041982 is about 19698.7812313351. The cubic root of 388041982 is about 729.3896079819.

The spelling of 388041982 in words is "three hundred eighty-eight million, forty-one thousand, nine hundred eighty-two".

Divisors: 1 2 29 58 6690379 13380758 194020991 388041982