Search a number
-
+
202402220 = 22510120111
BaseRepresentation
bin11000001000001…
…10100110101100
3112002212002122112
430010012212230
5403303332340
632030103152
75005250636
oct1404064654
9462762575
10202402220
11a4283869
125794aab8
1332c18837
141cc49a56
1512b81065
hexc1069ac

202402220 has 12 divisors (see below), whose sum is σ = 425044704. Its totient is φ = 80960880.

The previous prime is 202402217. The next prime is 202402229. The reversal of 202402220 is 22204202.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 202402195 and 202402204.

It is not an unprimeable number, because it can be changed into a prime (202402229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5060036 + ... + 5060075.

It is an arithmetic number, because the mean of its divisors is an integer number (35420392).

Almost surely, 2202402220 is an apocalyptic number.

202402220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202402220 is an abundant number, since it is smaller than the sum of its proper divisors (222642484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202402220 is a wasteful number, since it uses less digits than its factorization.

202402220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10120120 (or 10120118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 202402220 is about 14226.8134169251. The cubic root of 202402220 is about 587.1356134871.

Adding to 202402220 its reverse (22204202), we get a palindrome (224606422).

The spelling of 202402220 in words is "two hundred two million, four hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 10120111 20240222 40480444 50600555 101201110 202402220