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388196 = 22107907
BaseRepresentation
bin1011110110001100100
3201201111122
41132301210
544410241
612153112
73204524
oct1366144
9651448
10388196
11245726
12168798
13107903
14a1684
157a04b
hex5ec64

388196 has 12 divisors (see below), whose sum is σ = 686448. Its totient is φ = 192072.

The previous prime is 388187. The next prime is 388211. The reversal of 388196 is 691883.

It is a super-2 number, since 2×3881962 = 301392268832, which contains 22 as substring.

It is an unprimeable number.

388196 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26 + ... + 881.

It is an arithmetic number, because the mean of its divisors is an integer number (57204).

2388196 is an apocalyptic number.

It is an amenable number.

388196 is a deficient number, since it is larger than the sum of its proper divisors (298252).

388196 is a wasteful number, since it uses less digits than its factorization.

388196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018 (or 1016 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 388196 is about 623.0537697503. The cubic root of 388196 is about 72.9486096055.

The spelling of 388196 in words is "three hundred eighty-eight thousand, one hundred ninety-six".

Divisors: 1 2 4 107 214 428 907 1814 3628 97049 194098 388196