Search a number
-
+
50998357 = 364313999
BaseRepresentation
bin1100001010001…
…0110001010101
310112221222121001
43002202301111
5101023421412
65021023301
71156323154
oct302426125
9115858531
1050998357
1126872903
12150b4b31
13a747957
146ab759b
154725957
hex30a2c55

50998357 has 4 divisors (see below), whose sum is σ = 51016000. Its totient is φ = 50980716.

The previous prime is 50998331. The next prime is 50998391. The reversal of 50998357 is 75389905.

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 50998357 - 215 = 50965589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50998397) 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, 3357 + ... + 10642.

It is an arithmetic number, because the mean of its divisors is an integer number (12754000).

Almost surely, 250998357 is an apocalyptic number.

It is an amenable number.

50998357 is a deficient number, since it is larger than the sum of its proper divisors (17643).

50998357 is a wasteful number, since it uses less digits than its factorization.

50998357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17642.

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 50998357 is about 7141.3133946075. The cubic root of 50998357 is about 370.8389945635.

It can be divided in two parts, 5099 and 8357, that added together give a square (13456 = 1162).

The spelling of 50998357 in words is "fifty million, nine hundred ninety-eight thousand, three hundred fifty-seven".

Divisors: 1 3643 13999 50998357