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49900043 = 271184133
BaseRepresentation
bin1011111001011…
…0101000001011
310110220011222202
42332112220023
5100233300133
64541310415
71144100114
oct276265013
9113804882
1049900043
1126192706
121486540b
13a451a6b
1468ad20b
1545aa2e8
hex2f96a0b

49900043 has 4 divisors (see below), whose sum is σ = 50084448. Its totient is φ = 49715640.

The previous prime is 49900031. The next prime is 49900051. The reversal of 49900043 is 34000994.

It is a happy number.

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 49900043 - 222 = 45705739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49899979 and 49900015.

It is not an unprimeable number, because it can be changed into a prime (49900003) 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, 91796 + ... + 92337.

It is an arithmetic number, because the mean of its divisors is an integer number (12521112).

Almost surely, 249900043 is an apocalyptic number.

49900043 is a deficient number, since it is larger than the sum of its proper divisors (184405).

49900043 is a wasteful number, since it uses less digits than its factorization.

49900043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184404.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 49900043 is about 7063.9962485834. The cubic root of 49900043 is about 368.1574895971.

The spelling of 49900043 in words is "forty-nine million, nine hundred thousand, forty-three".

Divisors: 1 271 184133 49900043