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507887993 = 1952151307
BaseRepresentation
bin11110010001011…
…100000101111001
31022101200101100102
4132101130011321
52020004403433
6122221445145
715404656004
oct3621340571
91271611312
10507887993
11240764848
121221107b5
13812b7552
144b64a53b
152e8c54e8
hex1e45c179

507887993 has 8 divisors (see below), whose sum is σ = 535655520. Its totient is φ = 480224160.

The previous prime is 507887987. The next prime is 507888053. The reversal of 507887993 is 399788705.

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

It is a cyclic number.

It is not a de Polignac number, because 507887993 - 212 = 507883897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507887293) 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, 15755 + ... + 35552.

It is an arithmetic number, because the mean of its divisors is an integer number (66956940).

Almost surely, 2507887993 is an apocalyptic number.

It is an amenable number.

507887993 is a deficient number, since it is larger than the sum of its proper divisors (27767527).

507887993 is a wasteful number, since it uses less digits than its factorization.

507887993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51847.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The square root of 507887993 is about 22536.3704486770. The cubic root of 507887993 is about 797.8525705285.

The spelling of 507887993 in words is "five hundred seven million, eight hundred eighty-seven thousand, nine hundred ninety-three".

Divisors: 1 19 521 9899 51307 974833 26730947 507887993