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381122 = 2723889
BaseRepresentation
bin1011101000011000010
3201100210122
41131003002
544143442
612100242
73145100
oct1350302
9640718
10381122
11240385
12164682
13104621
149cc70
1577dd2
hex5d0c2

381122 has 12 divisors (see below), whose sum is σ = 665190. Its totient is φ = 163296.

The previous prime is 381103. The next prime is 381167. The reversal of 381122 is 221183.

381122 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 only one way, i.e., 290521 + 90601 = 539^2 + 301^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 381122.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1847 + ... + 2042.

2381122 is an apocalyptic number.

381122 is a deficient number, since it is larger than the sum of its proper divisors (284068).

381122 is a wasteful number, since it uses less digits than its factorization.

381122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905 (or 3898 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 381122 is about 617.3507916898. The cubic root of 381122 is about 72.5027822951.

The spelling of 381122 in words is "three hundred eighty-one thousand, one hundred twenty-two".

Divisors: 1 2 7 14 49 98 3889 7778 27223 54446 190561 381122