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140030658 = 23231250951
BaseRepresentation
bin10000101100010…
…11001011000010
3100202111021221200
420112023023002
5241321440113
621521202030
73320145435
oct1026131302
9322437850
10140030658
1172053119
123aa90316
132301b2a1
141485181c
15c460873
hex858b2c2

140030658 has 24 divisors (see below), whose sum is σ = 313188096. Its totient is φ = 45171000.

The previous prime is 140030609. The next prime is 140030677. The reversal of 140030658 is 856030041.

140030658 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 3 + 0 + 658 = 666.

140030658 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124918 + ... + 126033.

It is an arithmetic number, because the mean of its divisors is an integer number (13049504).

Almost surely, 2140030658 is an apocalyptic number.

140030658 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

140030658 is an abundant number, since it is smaller than the sum of its proper divisors (173157438).

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

140030658 is a wasteful number, since it uses less digits than its factorization.

140030658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250990 (or 250987 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 140030658 is about 11833.4550322380. The cubic root of 140030658 is about 519.2873101531.

Adding to 140030658 its reverse (856030041), we get a palindrome (996060699).

The spelling of 140030658 in words is "one hundred forty million, thirty thousand, six hundred fifty-eight".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 250951 501902 752853 1505706 2258559 4517118 7779481 15558962 23338443 46676886 70015329 140030658