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386121 = 31767113
BaseRepresentation
bin1011110010001001001
3201121122210
41132101021
544323441
612135333
73165501
oct1362111
9647583
10386121
1124410a
12167549
13106998
14a0a01
1579616
hex5e449

386121 has 16 divisors (see below), whose sum is σ = 558144. Its totient is φ = 236544.

The previous prime is 386119. The next prime is 386129. The reversal of 386121 is 121683.

It is not a de Polignac number, because 386121 - 21 = 386119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (386129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3361 + ... + 3473.

It is an arithmetic number, because the mean of its divisors is an integer number (34884).

2386121 is an apocalyptic number.

It is an amenable number.

386121 is a deficient number, since it is larger than the sum of its proper divisors (172023).

386121 is a wasteful number, since it uses less digits than its factorization.

386121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200.

The product of its digits is 288, while the sum is 21.

The square root of 386121 is about 621.3863532457. The cubic root of 386121 is about 72.8184014386.

The spelling of 386121 in words is "three hundred eighty-six thousand, one hundred twenty-one".

Divisors: 1 3 17 51 67 113 201 339 1139 1921 3417 5763 7571 22713 128707 386121