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40130353 = 172360609
BaseRepresentation
bin1001100100010…
…1011100110001
32210111211111101
42121011130301
540233132403
63552044401
7665050054
oct231053461
983454441
1040130353
112071a58a
1211533701
138410c93
145488a9b
1537ca71d
hex2645731

40130353 has 4 divisors (see below), whose sum is σ = 42490980. Its totient is φ = 37769728.

The previous prime is 40130329. The next prime is 40130359. The reversal of 40130353 is 35303104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17539344 + 22591009 = 4188^2 + 4753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40130353 is a prime.

It is a super-2 number, since 2×401303532 = 3220890463809218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40130353.

It is not an unprimeable number, because it can be changed into a prime (40130359) 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, 1180288 + ... + 1180321.

It is an arithmetic number, because the mean of its divisors is an integer number (10622745).

Almost surely, 240130353 is an apocalyptic number.

It is an amenable number.

40130353 is a deficient number, since it is larger than the sum of its proper divisors (2360627).

40130353 is a wasteful number, since it uses less digits than its factorization.

40130353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360626.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 40130353 is about 6334.8522476850. The cubic root of 40130353 is about 342.3662873366.

Adding to 40130353 its reverse (35303104), we get a palindrome (75433457).

The spelling of 40130353 in words is "forty million, one hundred thirty thousand, three hundred fifty-three".

Divisors: 1 17 2360609 40130353