Search a number
-
+
140768652 = 22311730721
BaseRepresentation
bin10000110001111…
…11010110001100
3100210212210021210
420120333112030
5242014044102
621545054420
73326341143
oct1030772614
9323783253
10140768652
1172507632
123b187410
132321917b
14149a475a
15c55936c
hex863f58c

140768652 has 12 divisors (see below), whose sum is σ = 328460216. Its totient is φ = 46922880.

The previous prime is 140768651. The next prime is 140768669. The reversal of 140768652 is 256867041.

140768652 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 140768652.

It is not an unprimeable number, because it can be changed into a prime (140768651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5865349 + ... + 5865372.

Almost surely, 2140768652 is an apocalyptic number.

140768652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140768652 is an abundant number, since it is smaller than the sum of its proper divisors (187691564).

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

140768652 is a wasteful number, since it uses less digits than its factorization.

140768652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11730728 (or 11730726 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 140768652 is about 11864.5965797409. The cubic root of 140768652 is about 520.1979670295.

The spelling of 140768652 in words is "one hundred forty million, seven hundred sixty-eight thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 11730721 23461442 35192163 46922884 70384326 140768652