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506779693 = 7531365983
BaseRepresentation
bin11110001101001…
…101100000101101
31022022121002001021
4132031031200231
52014213422233
6122142014141
715362361550
oct3615154055
91268532037
10506779693
112400780a2
12121877351
1380cb9c54
144b43c697
152e756e2d
hex1e34d82d

506779693 has 8 divisors (see below), whose sum is σ = 590105088. Its totient is φ = 426186384.

The previous prime is 506779681. The next prime is 506779711. The reversal of 506779693 is 396977605.

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 506779693 - 29 = 506779181 is a prime.

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 506779693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506771693) 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, 682621 + ... + 683362.

It is an arithmetic number, because the mean of its divisors is an integer number (73763136).

Almost surely, 2506779693 is an apocalyptic number.

506779693 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

506779693 is a deficient number, since it is larger than the sum of its proper divisors (83325395).

506779693 is a wasteful number, since it uses less digits than its factorization.

506779693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366043.

The product of its (nonzero) digits is 2143260, while the sum is 52.

The square root of 506779693 is about 22511.7678781565. The cubic root of 506779693 is about 797.2717968146.

The spelling of 506779693 in words is "five hundred six million, seven hundred seventy-nine thousand, six hundred ninety-three".

Divisors: 1 7 53 371 1365983 9561881 72397099 506779693