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380122106 = 27213298369
BaseRepresentation
bin10110101010000…
…011001111111010
3222111021012111112
4112222003033322
51234302401411
6101415200322
712263661500
oct2652031772
9874235445
10380122106
11185629401
12a73760a2
13609a1930
14386ac670
1523588b8b
hex16a833fa

380122106 has 24 divisors (see below), whose sum is σ = 714297780. Its totient is φ = 150377472.

The previous prime is 380122097. The next prime is 380122109. The reversal of 380122106 is 601221083.

It can be written as a sum of positive squares in 2 ways, for example, as 380055025 + 67081 = 19495^2 + 259^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (380122109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147911 + ... + 150458.

Almost surely, 2380122106 is an apocalyptic number.

380122106 is a deficient number, since it is larger than the sum of its proper divisors (334175674).

380122106 is a wasteful number, since it uses less digits than its factorization.

380122106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298398 (or 298391 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 380122106 is about 19496.7203908760. The cubic root of 380122106 is about 724.3932178657.

Adding to 380122106 its reverse (601221083), we get a palindrome (981343189).

The spelling of 380122106 in words is "three hundred eighty million, one hundred twenty-two thousand, one hundred six".

Divisors: 1 2 7 13 14 26 49 91 98 182 637 1274 298369 596738 2088583 3878797 4177166 7757594 14620081 27151579 29240162 54303158 190061053 380122106