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386871916 = 2296717979
BaseRepresentation
bin10111000011110…
…011001001101100
3222221222010111111
4113003303021230
51243014400131
6102220001404
712405233314
oct2703631154
9887863444
10386871916
11189419662
12a9690264
13621c5cc2
1439548444
1523e6dab1
hex170f326c

386871916 has 6 divisors (see below), whose sum is σ = 677025860. Its totient is φ = 193435956.

The previous prime is 386871911. The next prime is 386871931. The reversal of 386871916 is 619178683.

It is a super-2 number, since 2×3868719162 = 299339758779022112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 386871916.

It is not an unprimeable number, because it can be changed into a prime (386871911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48358986 + ... + 48358993.

Almost surely, 2386871916 is an apocalyptic number.

It is an amenable number.

386871916 is a deficient number, since it is larger than the sum of its proper divisors (290153944).

386871916 is a wasteful number, since it uses less digits than its factorization.

386871916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96717983 (or 96717981 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The square root of 386871916 is about 19669.0598656875. The cubic root of 386871916 is about 728.6557585110.

The spelling of 386871916 in words is "three hundred eighty-six million, eight hundred seventy-one thousand, nine hundred sixteen".

Divisors: 1 2 4 96717979 193435958 386871916