Search a number
-
+
398152 = 23157317
BaseRepresentation
bin1100001001101001000
3202020011101
41201031020
5100220102
612311144
73245536
oct1411510
9666141
10398152
11252157
121724b4
1310c2c1
14a5156
157ce87
hex61348

398152 has 16 divisors (see below), whose sum is σ = 753660. Its totient is φ = 197184.

The previous prime is 398149. The next prime is 398171. The reversal of 398152 is 251893.

It can be written as a sum of positive squares in 2 ways, for example, as 343396 + 54756 = 586^2 + 234^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 398152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098 + ... + 1414.

2398152 is an apocalyptic number.

It is an amenable number.

398152 is a deficient number, since it is larger than the sum of its proper divisors (355508).

398152 is a wasteful number, since it uses less digits than its factorization.

398152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 476 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 398152 is about 630.9928684225. The cubic root of 398152 is about 73.5669866118.

The spelling of 398152 in words is "three hundred ninety-eight thousand, one hundred fifty-two".

Divisors: 1 2 4 8 157 314 317 628 634 1256 1268 2536 49769 99538 199076 398152