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49280247 = 3210353161
BaseRepresentation
bin1011101111111…
…1010011110111
310102201200210100
42323333103313
5100103431442
64520125143
71135606122
oct273772367
9112650710
1049280247
11258a9a85
12146067b3
13a295913
14678b3b9
1544d684c
hex2eff4f7

49280247 has 12 divisors (see below), whose sum is σ = 71875024. Its totient is φ = 32533920.

The previous prime is 49280207. The next prime is 49280249. The reversal of 49280247 is 74208294.

It is not a de Polignac number, because 49280247 - 218 = 49018103 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 (49280249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25654 + ... + 27507.

Almost surely, 249280247 is an apocalyptic number.

49280247 is a deficient number, since it is larger than the sum of its proper divisors (22594777).

49280247 is a wasteful number, since it uses less digits than its factorization.

49280247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53270 (or 53267 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 49280247 is about 7019.9891025556. The cubic root of 49280247 is about 366.6268707039.

The spelling of 49280247 in words is "forty-nine million, two hundred eighty thousand, two hundred forty-seven".

Divisors: 1 3 9 103 309 927 53161 159483 478449 5475583 16426749 49280247