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81714016 = 253182373
BaseRepresentation
bin1001101111011…
…01101101100000
312200202111120001
410313231231200
5131404322031
612035225344
72011362166
oct467555540
9180674501
1081714016
1142141a4a
1223448254
1313c105b7
14abd1236
157291861
hex4dedb60

81714016 has 24 divisors (see below), whose sum is σ = 166065984. Its totient is φ = 39538560.

The previous prime is 81714013. The next prime is 81714067. The reversal of 81714016 is 61041718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81714011) 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, 40195 + ... + 42178.

It is an arithmetic number, because the mean of its divisors is an integer number (6919416).

Almost surely, 281714016 is an apocalyptic number.

It is an amenable number.

81714016 is an abundant number, since it is smaller than the sum of its proper divisors (84351968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

81714016 is a wasteful number, since it uses less digits than its factorization.

81714016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82414 (or 82406 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 81714016 is about 9039.5805212410. The cubic root of 81714016 is about 433.9424984165.

The spelling of 81714016 in words is "eighty-one million, seven hundred fourteen thousand, sixteen".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 82373 164746 329492 658984 1317968 2553563 2635936 5107126 10214252 20428504 40857008 81714016