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49394019 = 316464673
BaseRepresentation
bin1011110001101…
…1000101100011
310102221110212010
42330123011203
5100121102034
64522404003
71136561613
oct274330543
9112843763
1049394019
1125977504
1214660603
13a30563c
1467baa43
15450a3e9
hex2f1b163

49394019 has 4 divisors (see below), whose sum is σ = 65858696. Its totient is φ = 32929344.

The previous prime is 49394017. The next prime is 49394029. The reversal of 49394019 is 91049394.

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

It is not a de Polignac number, because 49394019 - 21 = 49394017 is a prime.

It is a super-2 number, since 2×493940192 = 4879538225944722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49394011) 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, 8232334 + ... + 8232339.

It is an arithmetic number, because the mean of its divisors is an integer number (16464674).

Almost surely, 249394019 is an apocalyptic number.

49394019 is a deficient number, since it is larger than the sum of its proper divisors (16464677).

49394019 is a wasteful number, since it uses less digits than its factorization.

49394019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16464676.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 49394019 is about 7028.0878622852. The cubic root of 49394019 is about 366.9087944379.

The spelling of 49394019 in words is "forty-nine million, three hundred ninety-four thousand, nineteen".

Divisors: 1 3 16464673 49394019