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10390660 = 225774219
BaseRepresentation
bin100111101000…
…110010000100
3201112220022021
4213220302010
510130000120
61010412524
7154214320
oct47506204
921486267
1010390660
115957725
123591144
1321ca627
141546980
15da3aaa
hex9e8c84

10390660 has 24 divisors (see below), whose sum is σ = 24937920. Its totient is φ = 3562464.

The previous prime is 10390657. The next prime is 10390669. The reversal of 10390660 is 6609301.

It is not an unprimeable number, because it can be changed into a prime (10390669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36970 + ... + 37249.

It is an arithmetic number, because the mean of its divisors is an integer number (1039080).

Almost surely, 210390660 is an apocalyptic number.

10390660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10390660 is an abundant number, since it is smaller than the sum of its proper divisors (14547260).

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

10390660 is a wasteful number, since it uses less digits than its factorization.

10390660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74235 (or 74233 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 10390660 is about 3223.4546685195. The cubic root of 10390660 is about 218.2132133904.

Adding to 10390660 its reverse (6609301), we get a palindrome (16999961).

The spelling of 10390660 in words is "ten million, three hundred ninety thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 74219 148438 296876 371095 519533 742190 1039066 1484380 2078132 2597665 5195330 10390660