Search a number
-
+
202402 = 2175953
BaseRepresentation
bin110001011010100010
3101021122101
4301122202
522434102
64201014
71502044
oct613242
9337571
10202402
11129082
129916a
1371185
1453a94
153ee87
hex316a2

202402 has 8 divisors (see below), whose sum is σ = 321516. Its totient is φ = 95232.

The previous prime is 202393. The next prime is 202403. The reversal of 202402 is 204202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 194481 + 7921 = 441^2 + 89^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202403) by changing a digit.

202402 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, 2943 + ... + 3010.

2202402 is an apocalyptic number.

202402 is a deficient number, since it is larger than the sum of its proper divisors (119114).

202402 is a wasteful number, since it uses less digits than its factorization.

202402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5972.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 202402 is about 449.8910979337. The cubic root of 202402 is about 58.7135400759.

Adding to 202402 its reverse (204202), we get a palindrome (406604).

The spelling of 202402 in words is "two hundred two thousand, four hundred two", and thus it is an iban number.

Divisors: 1 2 17 34 5953 11906 101201 202402