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140830046 = 27103127769
BaseRepresentation
bin10000110010011…
…10010101011110
3100210222220111122
420121032111132
5242023030141
621550250542
73330015140
oct1031162536
9323886448
10140830046
1172549775
123b1b6a52
132323b0b6
14149bcc90
15c56c64b
hex864e55e

140830046 has 32 divisors (see below), whose sum is σ = 246005760. Its totient is φ = 59222016.

The previous prime is 140830013. The next prime is 140830049. The reversal of 140830046 is 640038041.

140830046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140829997 and 140830024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140830049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182750 + ... + 183518.

It is an arithmetic number, because the mean of its divisors is an integer number (7687680).

Almost surely, 2140830046 is an apocalyptic number.

140830046 is a deficient number, since it is larger than the sum of its proper divisors (105175714).

140830046 is a wasteful number, since it uses less digits than its factorization.

140830046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 140830046 is about 11867.1835748841. The cubic root of 140830046 is about 520.2735813838.

Adding to 140830046 its reverse (640038041), we get a palindrome (780868087).

The spelling of 140830046 in words is "one hundred forty million, eight hundred thirty thousand, forty-six".

Divisors: 1 2 7 14 103 127 206 254 721 769 889 1442 1538 1778 5383 10766 13081 26162 79207 91567 97663 158414 183134 195326 554449 683641 1108898 1367282 10059289 20118578 70415023 140830046