Search a number
-
+
140107748 = 221119167593
BaseRepresentation
bin10000101100111…
…01111111100100
3100202122012200212
420112131333210
5241331421443
621522554552
73320616254
oct1026357744
9322565625
10140107748
11720a6030
123ab08a58
13230473c1
1414871964
15c478618
hex859dfe4

140107748 has 24 divisors (see below), whose sum is σ = 281557920. Its totient is φ = 60333120.

The previous prime is 140107711. The next prime is 140107753. The reversal of 140107748 is 847701041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82961 + ... + 84632.

It is an arithmetic number, because the mean of its divisors is an integer number (11731580).

Almost surely, 2140107748 is an apocalyptic number.

It is an amenable number.

140107748 is an abundant number, since it is smaller than the sum of its proper divisors (141450172).

140107748 is a wasteful number, since it uses less digits than its factorization.

140107748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167627 (or 167625 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 140107748 is about 11836.7118745030. The cubic root of 140107748 is about 519.3825857530.

Adding to 140107748 its reverse (847701041), we get a palindrome (987808789).

The spelling of 140107748 in words is "one hundred forty million, one hundred seven thousand, seven hundred forty-eight".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 836 167593 335186 670372 1843523 3184267 3687046 6368534 7374092 12737068 35026937 70053874 140107748