Search a number
-
+
10250380 = 2257211347
BaseRepresentation
bin100111000110…
…100010001100
3201021202212201
4213012202030
510111003010
61003411244
7153061330
oct47064214
921252781
1010250380
115871298
123523b24
13217b81a
14150b7c0
15d7723a
hex9c688c

10250380 has 48 divisors (see below), whose sum is σ = 24788736. Its totient is φ = 3487680.

The previous prime is 10250377. The next prime is 10250381. The reversal of 10250380 is 8305201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10250381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29367 + ... + 29713.

It is an arithmetic number, because the mean of its divisors is an integer number (516432).

Almost surely, 210250380 is an apocalyptic number.

10250380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10250380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12394368).

10250380 is an abundant number, since it is smaller than the sum of its proper divisors (14538356).

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

10250380 is a wasteful number, since it uses less digits than its factorization.

10250380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10250380 is about 3201.6214641959. The cubic root of 10250380 is about 217.2267586503.

Adding to 10250380 its reverse (8305201), we get a palindrome (18555581).

The spelling of 10250380 in words is "ten million, two hundred fifty thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 211 347 422 694 844 1055 1388 1477 1735 2110 2429 2954 3470 4220 4858 5908 6940 7385 9716 12145 14770 24290 29540 48580 73217 146434 292868 366085 512519 732170 1025038 1464340 2050076 2562595 5125190 10250380