Search a number
-
+
140553860 = 22583227373
BaseRepresentation
bin10000110000010…
…10111010000100
3100210110212122112
420120022322010
5241440210420
621540320152
73324455006
oct1030127204
9323425575
10140553860
1172380217
123b0a3058
1323172485
141494a376
15c5158c5
hex860ae84

140553860 has 48 divisors (see below), whose sum is σ = 300839616. Its totient is φ = 55151232.

The previous prime is 140553839. The next prime is 140553883. The reversal of 140553860 is 68355041.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376634 + ... + 377006.

It is an arithmetic number, because the mean of its divisors is an integer number (6267492).

Almost surely, 2140553860 is an apocalyptic number.

140553860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140553860 is an abundant number, since it is smaller than the sum of its proper divisors (160285756).

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

140553860 is a wasteful number, since it uses less digits than its factorization.

140553860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 140553860 is about 11855.5413204122. The cubic root of 140553860 is about 519.9332508010.

The spelling of 140553860 in words is "one hundred forty million, five hundred fifty-three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 83 166 227 332 373 415 454 746 830 908 1135 1492 1660 1865 2270 3730 4540 7460 18841 30959 37682 61918 75364 84671 94205 123836 154795 169342 188410 309590 338684 376820 423355 619180 846710 1693420 7027693 14055386 28110772 35138465 70276930 140553860