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505057619 = 11163281683
BaseRepresentation
bin11110000110101…
…001000101010011
31022012100120210202
4132012221011103
52013243320434
6122041045415
715341630123
oct3606510523
91265316722
10505057619
1123a1012a0
1212118686b
1380836181
144b110c83
152e516a7e
hex1e1a9153

505057619 has 8 divisors (see below), whose sum is σ = 554354112. Its totient is φ = 456324840.

The previous prime is 505057589. The next prime is 505057643. The reversal of 505057619 is 916750505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-505057619 is a prime.

It is a super-2 number, since 2×5050576192 = 510166397019898322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505057669) 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, 139049 + ... + 142634.

It is an arithmetic number, because the mean of its divisors is an integer number (69294264).

Almost surely, 2505057619 is an apocalyptic number.

505057619 is a deficient number, since it is larger than the sum of its proper divisors (49296493).

505057619 is a wasteful number, since it uses less digits than its factorization.

505057619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281857.

The product of its (nonzero) digits is 47250, while the sum is 38.

The square root of 505057619 is about 22473.4870236018. The cubic root of 505057619 is about 796.3677096054.

The spelling of 505057619 in words is "five hundred five million, fifty-seven thousand, six hundred nineteen".

Divisors: 1 11 163 1793 281683 3098513 45914329 505057619