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171242848 = 2572109211
BaseRepresentation
bin10100011010011…
…11010101100000
3102221020001000201
422031033111200
5322314232343
624554154544
74146353200
oct1215172540
9387201021
10171242848
1188731317
1249422a54
1329628c3a
1418a58400
151007894d
hexa34f560

171242848 has 36 divisors (see below), whose sum is σ = 392180292. Its totient is φ = 73389120.

The previous prime is 171242809. The next prime is 171242891. The reversal of 171242848 is 848242171.

It is a happy number.

It is a super-2 number, since 2×1712428482 = 58648225982302208, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53038 + ... + 56173.

It is an arithmetic number, because the mean of its divisors is an integer number (10893897).

Almost surely, 2171242848 is an apocalyptic number.

It is an amenable number.

171242848 is an abundant number, since it is smaller than the sum of its proper divisors (220937444).

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

171242848 is a wasteful number, since it uses less digits than its factorization.

171242848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109235 (or 109220 counting only the distinct ones).

The product of its digits is 28672, while the sum is 37.

The square root of 171242848 is about 13085.9790615758. The cubic root of 171242848 is about 555.3125399240.

The spelling of 171242848 in words is "one hundred seventy-one million, two hundred forty-two thousand, eight hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 784 1568 109211 218422 436844 764477 873688 1528954 1747376 3057908 3494752 5351339 6115816 10702678 12231632 21405356 24463264 42810712 85621424 171242848