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49306687 = 233536073
BaseRepresentation
bin1011110000010…
…1110000111111
310102210001001121
42330011300333
5100110303222
64520451411
71136046163
oct274056077
9112701047
1049306687
1125917931
1214619b67
13a2a4971
146796ca3
1544de5c7
hex2f05c3f

49306687 has 8 divisors (see below), whose sum is σ = 51604704. Its totient is φ = 47021568.

The previous prime is 49306669. The next prime is 49306703. The reversal of 49306687 is 78660394.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49306687 - 223 = 40918079 is a prime.

It is a super-2 number, since 2×493066872 = 4862298765831938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49306637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5083 + ... + 11155.

It is an arithmetic number, because the mean of its divisors is an integer number (6450588).

Almost surely, 249306687 is an apocalyptic number.

49306687 is a deficient number, since it is larger than the sum of its proper divisors (2298017).

49306687 is a wasteful number, since it uses less digits than its factorization.

49306687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6449.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 49306687 is about 7021.8720438356. The cubic root of 49306687 is about 366.6924269321.

The spelling of 49306687 in words is "forty-nine million, three hundred six thousand, six hundred eighty-seven".

Divisors: 1 23 353 6073 8119 139679 2143769 49306687