Search a number
-
+
10365220 = 225518261
BaseRepresentation
bin100111100010…
…100100100100
3201111121102001
4213202210210
510123141340
61010055044
7154050205
oct47424444
921447361
1010365220
11593a5a8
12357a484
1321bbb88
14153b5ac
15d9b29a
hex9e2924

10365220 has 12 divisors (see below), whose sum is σ = 21767004. Its totient is φ = 4146080.

The previous prime is 10365211. The next prime is 10365221. The reversal of 10365220 is 2256301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6770404 + 3594816 = 2602^2 + 1896^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10365221) 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, 259111 + ... + 259150.

It is an arithmetic number, because the mean of its divisors is an integer number (1813917).

Almost surely, 210365220 is an apocalyptic number.

10365220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10365220 is an abundant number, since it is smaller than the sum of its proper divisors (11401784).

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

10365220 is a wasteful number, since it uses less digits than its factorization.

10365220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518270 (or 518268 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 10365220 is about 3219.5061733129. The cubic root of 10365220 is about 218.0349802185.

It can be divided in two parts, 10365 and 220, that added together give a triangular number (10585 = T145).

The spelling of 10365220 in words is "ten million, three hundred sixty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 518261 1036522 2073044 2591305 5182610 10365220