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387698 = 21491301
BaseRepresentation
bin1011110101001110010
3201200211012
41132221302
544401243
612150522
73203213
oct1365162
9650735
10387698
11245313
12168442
1310760c
14a140a
1579d18
hex5ea72

387698 has 8 divisors (see below), whose sum is σ = 585900. Its totient is φ = 192400.

The previous prime is 387683. The next prime is 387707. The reversal of 387698 is 896783.

387698 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 267289 + 120409 = 517^2 + 347^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

387698 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 353 + ... + 948.

2387698 is an apocalyptic number.

387698 is a deficient number, since it is larger than the sum of its proper divisors (198202).

387698 is a wasteful number, since it uses less digits than its factorization.

387698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452.

The product of its digits is 72576, while the sum is 41.

The square root of 387698 is about 622.6539970160. The cubic root of 387698 is about 72.9174020425.

The spelling of 387698 in words is "three hundred eighty-seven thousand, six hundred ninety-eight".

Divisors: 1 2 149 298 1301 2602 193849 387698