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50708993 = 91155663
BaseRepresentation
bin1100000101110…
…0001000000001
310112102021122212
43001130020001
5100440141433
65010511505
71154006426
oct301341001
9115367585
1050708993
1126695465
1214b95595
13a67602a
146a3dd4d
1546b9d48
hex305c201

50708993 has 4 divisors (see below), whose sum is σ = 50765568. Its totient is φ = 50652420.

The previous prime is 50708989. The next prime is 50709059. The reversal of 50708993 is 39980705.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50708993 - 22 = 50708989 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 50708993.

It is not an unprimeable number, because it can be changed into a prime (50701993) 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, 26921 + ... + 28742.

It is an arithmetic number, because the mean of its divisors is an integer number (12691392).

Almost surely, 250708993 is an apocalyptic number.

It is an amenable number.

50708993 is a deficient number, since it is larger than the sum of its proper divisors (56575).

50708993 is an equidigital number, since it uses as much as digits as its factorization.

50708993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56574.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 50708993 is about 7121.0247155869. The cubic root of 50708993 is about 370.1362853194.

The spelling of 50708993 in words is "fifty million, seven hundred eight thousand, nine hundred ninety-three".

Divisors: 1 911 55663 50708993