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140170 = 25107131
BaseRepresentation
bin100010001110001010
321010021111
4202032022
513441140
63000534
71122442
oct421612
9233244
10140170
1196348
126914a
134ba54
1439122
152b7ea
hex2238a

140170 has 16 divisors (see below), whose sum is σ = 256608. Its totient is φ = 55120.

The previous prime is 140167. The next prime is 140171. The reversal of 140170 is 71041.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 140170.

It is not an unprimeable number, because it can be changed into a prime (140171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005 + ... + 1135.

It is an arithmetic number, because the mean of its divisors is an integer number (16038).

2140170 is an apocalyptic number.

140170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140170 is a deficient number, since it is larger than the sum of its proper divisors (116438).

140170 is a wasteful number, since it uses less digits than its factorization.

140170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 140170 is about 374.3928418119. The cubic root of 140170 is about 51.9459497553.

The spelling of 140170 in words is "one hundred forty thousand, one hundred seventy", and thus it is an iban number.

Divisors: 1 2 5 10 107 131 214 262 535 655 1070 1310 14017 28034 70085 140170