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145718670 = 2354857289
BaseRepresentation
bin10001010111101…
…11110110001110
3101011012021102210
420223313312032
5244300444140
622243131250
73416405526
oct1053676616
9334167383
10145718670
1175288659
1240973b26
1324260286
14154d2686
15cbd5d80
hex8af7d8e

145718670 has 16 divisors (see below), whose sum is σ = 349724880. Its totient is φ = 38858304.

The previous prime is 145718647. The next prime is 145718687. The reversal of 145718670 is 76817541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2428615 + ... + 2428674.

It is an arithmetic number, because the mean of its divisors is an integer number (21857805).

Almost surely, 2145718670 is an apocalyptic number.

145718670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145718670 is an abundant number, since it is smaller than the sum of its proper divisors (204006210).

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

145718670 is a wasteful number, since it uses less digits than its factorization.

145718670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857299.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 145718670 is about 12071.3988418907. The cubic root of 145718670 is about 526.2253103290.

The spelling of 145718670 in words is "one hundred forty-five million, seven hundred eighteen thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 4857289 9714578 14571867 24286445 29143734 48572890 72859335 145718670