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49008287 = 49998213
BaseRepresentation
bin1011101011110…
…0111010011111
310102012212201202
42322330322133
5100021231122
64510230115
71133364206
oct272747237
9112185652
1049008287
1125733719
12144b533b
13a1cbbb3
14671a23d
154480e92
hex2ebce9f

49008287 has 4 divisors (see below), whose sum is σ = 49107000. Its totient is φ = 48909576.

The previous prime is 49008283. The next prime is 49008293. The reversal of 49008287 is 78280094.

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

It is a cyclic number.

It is not a de Polignac number, because 49008287 - 22 = 49008283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49008287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49008283) 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, 48608 + ... + 49605.

It is an arithmetic number, because the mean of its divisors is an integer number (12276750).

Almost surely, 249008287 is an apocalyptic number.

49008287 is a deficient number, since it is larger than the sum of its proper divisors (98713).

49008287 is an equidigital number, since it uses as much as digits as its factorization.

49008287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98712.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 49008287 is about 7000.5919035464. The cubic root of 49008287 is about 365.9511988642.

The spelling of 49008287 in words is "forty-nine million, eight thousand, two hundred eighty-seven".

Divisors: 1 499 98213 49008287