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145327170 = 2354844239
BaseRepresentation
bin10001010100110…
…00010001000010
3101010110101101210
420222120101002
5244200432140
622230510550
73413155242
oct1052302102
9333411353
10145327170
11750404aa
1240805456
1324154011
141542db22
15cb59d80
hex8a98442

145327170 has 16 divisors (see below), whose sum is σ = 348785280. Its totient is φ = 38753904.

The previous prime is 145327139. The next prime is 145327187. The reversal of 145327170 is 71723541.

It is a super-2 number, since 2×1453271702 = 42239972680417800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4844239 = 145327170 / (1 + 4 + 5 + 3 + 2 + 7 + 1 + 7 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2422090 + ... + 2422149.

It is an arithmetic number, because the mean of its divisors is an integer number (21799080).

Almost surely, 2145327170 is an apocalyptic number.

145327170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145327170 is an abundant number, since it is smaller than the sum of its proper divisors (203458110).

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

145327170 is a wasteful number, since it uses less digits than its factorization.

145327170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844249.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 145327170 is about 12055.1719191391. The cubic root of 145327170 is about 525.7536206320.

The spelling of 145327170 in words is "one hundred forty-five million, three hundred twenty-seven thousand, one hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 4844239 9688478 14532717 24221195 29065434 48442390 72663585 145327170