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398248 = 2367743
BaseRepresentation
bin1100001001110101000
3202020021221
41201032220
5100220443
612311424
73246034
oct1411650
9666257
10398248
11252234
12172574
1310c366
14a51c4
157ceed
hex613a8

398248 has 16 divisors (see below), whose sum is σ = 758880. Its totient is φ = 195888.

The previous prime is 398227. The next prime is 398249. The reversal of 398248 is 842893.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (398249) by changing a digit.

398248 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, 165 + ... + 907.

It is an arithmetic number, because the mean of its divisors is an integer number (47430).

2398248 is an apocalyptic number.

It is an amenable number.

398248 is a deficient number, since it is larger than the sum of its proper divisors (360632).

398248 is a wasteful number, since it uses less digits than its factorization.

398248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 812 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 398248 is about 631.0689344279. The cubic root of 398248 is about 73.5728988121.

It can be divided in two parts, 398 and 248, that added together give a palindrome (646).

The spelling of 398248 in words is "three hundred ninety-eight thousand, two hundred forty-eight".

Divisors: 1 2 4 8 67 134 268 536 743 1486 2972 5944 49781 99562 199124 398248