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49376749 = 115142899
BaseRepresentation
bin1011110001011…
…0110111101101
310102220121011111
42330112313231
5100120023444
64522152021
71136460352
oct274266755
9112817144
1049376749
1125965534
1214652611
13a2ca816
1467b4629
154505234
hex2f16ded

49376749 has 4 divisors (see below), whose sum is σ = 49420800. Its totient is φ = 49332700.

The previous prime is 49376741. The next prime is 49376753. The reversal of 49376749 is 94767394.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94767394 = 247383697.

It is a cyclic number.

It is not a de Polignac number, because 49376749 - 23 = 49376741 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 (49376741) 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, 20299 + ... + 22600.

It is an arithmetic number, because the mean of its divisors is an integer number (12355200).

Almost surely, 249376749 is an apocalyptic number.

It is an amenable number.

49376749 is a deficient number, since it is larger than the sum of its proper divisors (44051).

49376749 is a wasteful number, since it uses less digits than its factorization.

49376749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44050.

The product of its digits is 1143072, while the sum is 49.

The square root of 49376749 is about 7026.8591134304. The cubic root of 49376749 is about 366.8660277653.

The spelling of 49376749 in words is "forty-nine million, three hundred seventy-six thousand, seven hundred forty-nine".

Divisors: 1 1151 42899 49376749