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415630489 = 4110137329
BaseRepresentation
bin11000110001100…
…000010010011001
31001222002012211211
4120301200102121
51322400133424
6105124223121
713204541461
oct3061402231
91058065754
10415630489
111a368137a
12b723aaa1
1368154c01
143d2b2ba1
152674eb94
hex18c60499

415630489 has 4 divisors (see below), whose sum is σ = 425767860. Its totient is φ = 405493120.

The previous prime is 415630483. The next prime is 415630499. The reversal of 415630489 is 984036514.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 984036514 = 2492018257.

It can be written as a sum of positive squares in 2 ways, for example, as 184742464 + 230888025 = 13592^2 + 15195^2 .

It is a cyclic number.

It is not a de Polignac number, because 415630489 - 213 = 415622297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (415630483) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5068624 + ... + 5068705.

It is an arithmetic number, because the mean of its divisors is an integer number (106441965).

Almost surely, 2415630489 is an apocalyptic number.

It is an amenable number.

415630489 is a deficient number, since it is larger than the sum of its proper divisors (10137371).

415630489 is a wasteful number, since it uses less digits than its factorization.

415630489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10137370.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 415630489 is about 20387.0176583040. The cubic root of 415630489 is about 746.2811396183.

The spelling of 415630489 in words is "four hundred fifteen million, six hundred thirty thousand, four hundred eighty-nine".

Divisors: 1 41 10137329 415630489