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49688071 = 314767509
BaseRepresentation
bin1011110110001…
…0111000000111
310110111102012221
42331202320013
5100210004241
64532553211
71142225116
oct275427007
9113442187
1049688071
1126058424
1214782807
13a3a9434
146855c7d
1545675d1
hex2f62e07

49688071 has 16 divisors (see below), whose sum is σ = 53268480. Its totient is φ = 46268640.

The previous prime is 49688069. The next prime is 49688081. The reversal of 49688071 is 17088694.

It is a cyclic number.

It is not a de Polignac number, because 49688071 - 21 = 49688069 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 (49688081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97365 + ... + 97873.

It is an arithmetic number, because the mean of its divisors is an integer number (3329280).

Almost surely, 249688071 is an apocalyptic number.

49688071 is a deficient number, since it is larger than the sum of its proper divisors (3580409).

49688071 is a wasteful number, since it uses less digits than its factorization.

49688071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 49688071 is about 7048.9765923856. The cubic root of 49688071 is about 367.6354470111.

The spelling of 49688071 in words is "forty-nine million, six hundred eighty-eight thousand, seventy-one".

Divisors: 1 31 47 67 509 1457 2077 3149 15779 23923 34103 97619 741613 1057193 1602841 49688071