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388016142 = 2364669357
BaseRepresentation
bin10111001000001…
…010100000001110
31000001010021002020
4113020022200032
51243313004032
6102300311010
712421040253
oct2710124016
91001107066
10388016142
1118a0302a8
12a9b42466
1362506a67
143976542a
15240e7b2c
hex1720a80e

388016142 has 8 divisors (see below), whose sum is σ = 776032296. Its totient is φ = 129338712.

The previous prime is 388016117. The next prime is 388016183. The reversal of 388016142 is 241610883.

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

388016142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32334673 + ... + 32334684.

It is an arithmetic number, because the mean of its divisors is an integer number (97004037).

Almost surely, 2388016142 is an apocalyptic number.

388016142 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.

388016142 is a wasteful number, since it uses less digits than its factorization.

388016142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64669362.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 388016142 is about 19698.1253422756. The cubic root of 388016142 is about 729.3734174263.

The spelling of 388016142 in words is "three hundred eighty-eight million, sixteen thousand, one hundred forty-two".

Divisors: 1 2 3 6 64669357 129338714 194008071 388016142