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388097 = 974001
BaseRepresentation
bin1011110110000000001
3201201100222
41132300001
544404342
612152425
73204323
oct1366001
9651328
10388097
11245646
12168715
13107858
14a1613
1579ed2
hex5ec01

388097 has 4 divisors (see below), whose sum is σ = 392196. Its totient is φ = 384000.

The previous prime is 388081. The next prime is 388099. The reversal of 388097 is 790883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78961 + 309136 = 281^2 + 556^2 .

It is a cyclic number.

It is not a de Polignac number, because 388097 - 24 = 388081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1904 + ... + 2097.

It is an arithmetic number, because the mean of its divisors is an integer number (98049).

It is a Proth number, since it is equal to 379 ⋅ 210 + 1 and 379 < 210.

2388097 is an apocalyptic number.

It is an amenable number.

388097 is a deficient number, since it is larger than the sum of its proper divisors (4099).

388097 is an equidigital number, since it uses as much as digits as its factorization.

388097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 388097 is about 622.9743172876. The cubic root of 388097 is about 72.9424078188.

The spelling of 388097 in words is "three hundred eighty-eight thousand, ninety-seven".

Divisors: 1 97 4001 388097