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49999051 = 192631529
BaseRepresentation
bin1011111010111…
…0110011001011
310111002012210201
42332232303023
5100244432201
64543353031
71144661554
oct276566313
9114065721
1049999051
1126250033
12148b2777
13a487b4b
1468d732b
1545c9801
hex2faeccb

49999051 has 4 divisors (see below), whose sum is σ = 52630600. Its totient is φ = 47367504.

The previous prime is 49999031. The next prime is 49999069. The reversal of 49999051 is 15099994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49999051 - 29 = 49998539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49998992 and 49999010.

It is not an unprimeable number, because it can be changed into a prime (49999031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315746 + ... + 1315783.

It is an arithmetic number, because the mean of its divisors is an integer number (13157650).

Almost surely, 249999051 is an apocalyptic number.

49999051 is a deficient number, since it is larger than the sum of its proper divisors (2631549).

49999051 is a wasteful number, since it uses less digits than its factorization.

49999051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631548.

The product of its (nonzero) digits is 131220, while the sum is 46.

The square root of 49999051 is about 7071.0007071135. Note that the first 3 decimals coincide. The cubic root of 49999051 is about 368.4008190854.

The spelling of 49999051 in words is "forty-nine million, nine hundred ninety-nine thousand, fifty-one".

Divisors: 1 19 2631529 49999051