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10385540 = 2251147207
BaseRepresentation
bin100111100111…
…100010000100
3201112122021122
4213213202010
510124314130
61010333112
7154163354
oct47474204
921478248
1010385540
1159538a0
12358a198
1321c81b9
141544b64
15da22e5
hex9e7884

10385540 has 24 divisors (see below), whose sum is σ = 23792832. Its totient is φ = 3776480.

The previous prime is 10385539. The next prime is 10385569. The reversal of 10385540 is 4558301.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23384 + ... + 23823.

It is an arithmetic number, because the mean of its divisors is an integer number (991368).

Almost surely, 210385540 is an apocalyptic number.

10385540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10385540 is an abundant number, since it is smaller than the sum of its proper divisors (13407292).

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

10385540 is a wasteful number, since it uses less digits than its factorization.

10385540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47227 (or 47225 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 10385540 is about 3222.6603916640. The cubic root of 10385540 is about 218.1773659655.

The spelling of 10385540 in words is "ten million, three hundred eighty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 47207 94414 188828 236035 472070 519277 944140 1038554 2077108 2596385 5192770 10385540