Search a number
-
+
13940170 = 2517431907
BaseRepresentation
bin110101001011…
…010111001010
3222020020022121
4311023113022
512032041140
61214441454
7226326616
oct65132712
928206277
1013940170
117961502
12480328a
132b7112a
141bcc346
15135564a
hexd4b5ca

13940170 has 32 divisors (see below), whose sum is σ = 27200448. Its totient is φ = 5123328.

The previous prime is 13940117. The next prime is 13940177. The reversal of 13940170 is 7104931.

It is not an unprimeable number, because it can be changed into a prime (13940177) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6357 + ... + 8263.

It is an arithmetic number, because the mean of its divisors is an integer number (850014).

Almost surely, 213940170 is an apocalyptic number.

13940170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13940170 is a deficient number, since it is larger than the sum of its proper divisors (13260278).

13940170 is a wasteful number, since it uses less digits than its factorization.

13940170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 13940170 is about 3733.6537064918. The cubic root of 13940170 is about 240.6704056666.

The spelling of 13940170 in words is "thirteen million, nine hundred forty thousand, one hundred seventy".

Divisors: 1 2 5 10 17 34 43 85 86 170 215 430 731 1462 1907 3655 3814 7310 9535 19070 32419 64838 82001 162095 164002 324190 410005 820010 1394017 2788034 6970085 13940170