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387442882 = 2712728471
BaseRepresentation
bin10111000101111…
…110100011000010
31000000001010201101
4113011332203002
51243141133012
6102240125014
712413132041
oct2705764302
91000033641
10387442882
11189779632
12a990676a
1362365b58
1439656558
1524032d57
hex1717e8c2

387442882 has 8 divisors (see below), whose sum is σ = 589349952. Its totient is φ = 190992900.

The previous prime is 387442877. The next prime is 387442931. The reversal of 387442882 is 288244783.

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

It is a super-2 number, since 2×3874428822 = 300223973624931848, which contains 22 as substring.

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, 1364094 + ... + 1364377.

It is an arithmetic number, because the mean of its divisors is an integer number (73668744).

Almost surely, 2387442882 is an apocalyptic number.

387442882 is a deficient number, since it is larger than the sum of its proper divisors (201907070).

387442882 is a wasteful number, since it uses less digits than its factorization.

387442882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728544.

The product of its digits is 688128, while the sum is 46.

The square root of 387442882 is about 19683.5688329124. The cubic root of 387442882 is about 729.0140451894.

The spelling of 387442882 in words is "three hundred eighty-seven million, four hundred forty-two thousand, eight hundred eighty-two".

Divisors: 1 2 71 142 2728471 5456942 193721441 387442882