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71122016 = 2571719983
BaseRepresentation
bin1000011110100…
…11110001100000
311221211101001202
410033103301200
5121201401031
611020220332
71522345550
oct417236140
9157741052
1071122016
1137168029
121b99a6a8
1311972444
149635160
15639d2cb
hex43d3c60

71122016 has 96 divisors (see below), whose sum is σ = 178536960. Its totient is φ = 27150336.

The previous prime is 71122001. The next prime is 71122027. The reversal of 71122016 is 61022117.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71861 + ... + 72843.

It is an arithmetic number, because the mean of its divisors is an integer number (1859760).

Almost surely, 271122016 is an apocalyptic number.

71122016 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71122016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89268480).

71122016 is an abundant number, since it is smaller than the sum of its proper divisors (107414944).

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

71122016 is a wasteful number, since it uses less digits than its factorization.

71122016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 71122016 is about 8433.3869827016. The cubic root of 71122016 is about 414.3188438939.

The spelling of 71122016 in words is "seventy-one million, one hundred twenty-two thousand, sixteen".

Divisors: 1 2 4 7 8 14 16 17 19 28 32 34 38 56 68 76 112 119 133 136 152 224 238 266 272 304 323 476 532 544 608 646 952 983 1064 1292 1904 1966 2128 2261 2584 3808 3932 4256 4522 5168 6881 7864 9044 10336 13762 15728 16711 18088 18677 27524 31456 33422 36176 37354 55048 66844 72352 74708 110096 116977 130739 133688 149416 220192 233954 261478 267376 298832 317509 467908 522956 534752 597664 635018 935816 1045912 1270036 1871632 2091824 2222563 2540072 3743264 4183648 4445126 5080144 8890252 10160288 17780504 35561008 71122016