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171027072 = 2733174171
BaseRepresentation
bin10100011000110…
…10101010000000
3102220211002001000
422030122222000
5322240331242
624545412000
74144464126
oct1214325200
9386732030
10171027072
11885a4197
124933a000
1329581968
14189dd916
1510034a4c
hexa31aa80

171027072 has 256 divisors, whose sum is σ = 555206400. Its totient is φ = 51609600.

The previous prime is 171027067. The next prime is 171027083. The reversal of 171027072 is 270720171.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2408797 + ... + 2408867.

It is an arithmetic number, because the mean of its divisors is an integer number (2168775).

Almost surely, 2171027072 is an apocalyptic number.

171027072 is a gapful number since it is divisible by the number (12) 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 171027072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277603200).

171027072 is an abundant number, since it is smaller than the sum of its proper divisors (384179328).

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

171027072 is a wasteful number, since it uses less digits than its factorization.

171027072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 171027072 is about 13077.7319134474. The cubic root of 171027072 is about 555.0791998005.

171027072 divided by its sum of digits (27) gives a palindrome (6334336).

It can be divided in two parts, 1710 and 27072, that added together give a palindrome (28782).

The spelling of 171027072 in words is "one hundred seventy-one million, twenty-seven thousand, seventy-two".