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50749047 = 3279137521
BaseRepresentation
bin1100000110010…
…1111001110111
310112111022121100
43001211321313
5100442432142
65011421143
71154234256
oct301457167
9115438540
1050749047
1126712568
1214bb47b3
13a68b32b
146a5079d
1546c6b4c
hex3065e77

50749047 has 24 divisors (see below), whose sum is σ = 74917440. Its totient is φ = 33096960.

The previous prime is 50749009. The next prime is 50749051. The reversal of 50749047 is 74094705.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-50749047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50749147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97147 + ... + 97667.

It is an arithmetic number, because the mean of its divisors is an integer number (3121560).

Almost surely, 250749047 is an apocalyptic number.

50749047 is a deficient number, since it is larger than the sum of its proper divisors (24168393).

50749047 is a wasteful number, since it uses less digits than its factorization.

50749047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 50749047 is about 7123.8365365862. The cubic root of 50749047 is about 370.2337140407.

The spelling of 50749047 in words is "fifty million, seven hundred forty-nine thousand, forty-seven".

Divisors: 1 3 9 79 137 237 411 521 711 1233 1563 4689 10823 32469 41159 71377 97407 123477 214131 370431 642393 5638783 16916349 50749047