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49947413 = 383130411
BaseRepresentation
bin1011111010001…
…0001100010101
310110222120222012
42332202030111
5100241304123
64542314005
71144355165
oct276421425
9113876865
1049947413
112621525a
1214888905
13a46a4a9
1468c25a5
1545b9378
hex2fa2315

49947413 has 4 divisors (see below), whose sum is σ = 50078208. Its totient is φ = 49816620.

The previous prime is 49947407. The next prime is 49947427. The reversal of 49947413 is 31474994.

49947413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 49947413 - 210 = 49946389 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 (49947433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64823 + ... + 65588.

It is an arithmetic number, because the mean of its divisors is an integer number (12519552).

Almost surely, 249947413 is an apocalyptic number.

It is an amenable number.

49947413 is a deficient number, since it is larger than the sum of its proper divisors (130795).

49947413 is a wasteful number, since it uses less digits than its factorization.

49947413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130794.

The product of its digits is 108864, while the sum is 41.

The square root of 49947413 is about 7067.3483712068. The cubic root of 49947413 is about 368.2739497822.

The spelling of 49947413 in words is "forty-nine million, nine hundred forty-seven thousand, four hundred thirteen".

Divisors: 1 383 130411 49947413