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40010530 = 257571579
BaseRepresentation
bin1001100010100…
…0001100100010
32210021202010111
42120220030202
540220314110
63545321534
7664040530
oct230501442
983252114
1040010530
112064855a
12114962aa
13839b591
145457150
1537a4e8a
hex2628322

40010530 has 16 divisors (see below), whose sum is σ = 82307520. Its totient is φ = 13717872.

The previous prime is 40010483. The next prime is 40010533. The reversal of 40010530 is 3501004.

It is a self number, because there is not a number n which added to its sum of digits gives 40010530.

It is not an unprimeable number, because it can be changed into a prime (40010533) 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, 285720 + ... + 285859.

It is an arithmetic number, because the mean of its divisors is an integer number (5144220).

Almost surely, 240010530 is an apocalyptic number.

40010530 is an abundant number, since it is smaller than the sum of its proper divisors (42296990).

40010530 is a wasteful number, since it uses less digits than its factorization.

40010530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571593.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 40010530 is about 6325.3877351511. The cubic root of 40010530 is about 342.0251967802.

Adding to 40010530 its reverse (3501004), we get a palindrome (43511534).

The spelling of 40010530 in words is "forty million, ten thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 571579 1143158 2857895 4001053 5715790 8002106 20005265 40010530