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140066 = 2591187
BaseRepresentation
bin100010001100100010
321010010122
4202030202
513440231
63000242
71122233
oct421442
9233118
10140066
1196263
1269082
134b9a4
143908a
152b77b
hex22322

140066 has 8 divisors (see below), whose sum is σ = 213840. Its totient is φ = 68788.

The previous prime is 140057. The next prime is 140069. The reversal of 140066 is 660041.

140066 is nontrivially palindromic in base 4 and base 16.

It is a sphenic number, since it is the product of 3 distinct primes.

140066 is a modest number, since divided by 66 gives 14 as remainder.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140066.

It is not an unprimeable number, because it can be changed into a prime (140069) by changing a digit.

140066 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476 + ... + 711.

It is an arithmetic number, because the mean of its divisors is an integer number (26730).

2140066 is an apocalyptic number.

140066 is a deficient number, since it is larger than the sum of its proper divisors (73774).

140066 is a wasteful number, since it uses less digits than its factorization.

140066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 140066 is about 374.2539244951. The cubic root of 140066 is about 51.9330993702.

The spelling of 140066 in words is "one hundred forty thousand, sixty-six".

Divisors: 1 2 59 118 1187 2374 70033 140066