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387898 = 27103269
BaseRepresentation
bin1011110101100111010
3201201002121
41132230322
544403043
612151454
73203620
oct1365472
9651077
10387898
11245485
1216858a
13107734
14a1510
1579ded
hex5eb3a

387898 has 16 divisors (see below), whose sum is σ = 673920. Its totient is φ = 164016.

The previous prime is 387857. The next prime is 387911. The reversal of 387898 is 898783.

It is a happy number.

387898 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308 + ... + 1576.

It is an arithmetic number, because the mean of its divisors is an integer number (42120).

2387898 is an apocalyptic number.

387898 is a deficient number, since it is larger than the sum of its proper divisors (286022).

387898 is a wasteful number, since it uses less digits than its factorization.

387898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381.

The product of its digits is 96768, while the sum is 43.

The square root of 387898 is about 622.8145791486. The cubic root of 387898 is about 72.9299384096.

The spelling of 387898 in words is "three hundred eighty-seven thousand, eight hundred ninety-eight".

Divisors: 1 2 7 14 103 206 269 538 721 1442 1883 3766 27707 55414 193949 387898