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140652 = 22323907
BaseRepresentation
bin100010010101101100
321010221100
4202111230
514000102
63003100
71124031
oct422554
9233840
10140652
1196746
1269490
134c035
1439388
152ba1c
hex2256c

140652 has 18 divisors (see below), whose sum is σ = 355628. Its totient is φ = 46872.

The previous prime is 140639. The next prime is 140659. The reversal of 140652 is 256041.

It is a happy number.

140652 is a `hidden beast` number, since 14 + 0 + 652 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140652.

It is not an unprimeable number, because it can be changed into a prime (140659) by changing a digit.

140652 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 5 ways as a sum of consecutive naturals, for example, 1918 + ... + 1989.

2140652 is an apocalyptic number.

140652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140652 is an abundant number, since it is smaller than the sum of its proper divisors (214976).

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

140652 is a wasteful number, since it uses less digits than its factorization.

140652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917 (or 3912 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 140652 is about 375.0359982722. The cubic root of 140652 is about 52.0054234974.

Adding to 140652 its reverse (256041), we get a palindrome (396693).

The spelling of 140652 in words is "one hundred forty thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 3907 7814 11721 15628 23442 35163 46884 70326 140652