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49885147 = 133837319
BaseRepresentation
bin1011111001001…
…0111111011011
310110212102120001
42332102333123
5100232311042
64541113431
71144005514
oct276227733
9113772501
1049885147
11261824a4
1214858877
13a448050
1468a7a0b
1545a5bb7
hex2f92fdb

49885147 has 4 divisors (see below), whose sum is σ = 53722480. Its totient is φ = 46047816.

The previous prime is 49885141. The next prime is 49885159. The reversal of 49885147 is 74158894.

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 49885147 - 215 = 49852379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49885097 and 49885106.

It is not an unprimeable number, because it can be changed into a prime (49885141) 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, 1918647 + ... + 1918672.

It is an arithmetic number, because the mean of its divisors is an integer number (13430620).

Almost surely, 249885147 is an apocalyptic number.

49885147 is a deficient number, since it is larger than the sum of its proper divisors (3837333).

49885147 is a wasteful number, since it uses less digits than its factorization.

49885147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837332.

The product of its digits is 322560, while the sum is 46.

The square root of 49885147 is about 7062.9418091897. The cubic root of 49885147 is about 368.1208522222.

The spelling of 49885147 in words is "forty-nine million, eight hundred eighty-five thousand, one hundred forty-seven".

Divisors: 1 13 3837319 49885147