Search a number
-
+
140740008 = 23317379323
BaseRepresentation
bin10000110001110…
…00010110101000
3100210211022222220
420120320112220
5242012140013
621544314040
73326161503
oct1030702650
9323738886
10140740008
1172498062
123b172920
1323209116
141499813a
15c550b23
hex86385a8

140740008 has 64 divisors (see below), whose sum is σ = 382656960. Its totient is φ = 42955776.

The previous prime is 140740007. The next prime is 140740021. The reversal of 140740008 is 800047041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 140740008.

It is not an unprimeable number, because it can be changed into a prime (140740007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10435 + ... + 19757.

It is an arithmetic number, because the mean of its divisors is an integer number (5979015).

Almost surely, 2140740008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140740008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191328480).

140740008 is an abundant number, since it is smaller than the sum of its proper divisors (241916952).

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

140740008 is a wasteful number, since it uses less digits than its factorization.

140740008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9386 (or 9382 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 140740008 is about 11863.3893976384. The cubic root of 140740008 is about 520.1626808558.

Adding to 140740008 its reverse (800047041), we get a palindrome (940787049).

The spelling of 140740008 in words is "one hundred forty million, seven hundred forty thousand, eight".

Divisors: 1 2 3 4 6 8 12 17 24 34 37 51 68 74 102 111 136 148 204 222 296 408 444 629 888 1258 1887 2516 3774 5032 7548 9323 15096 18646 27969 37292 55938 74584 111876 158491 223752 316982 344951 475473 633964 689902 950946 1034853 1267928 1379804 1901892 2069706 2759608 3803784 4139412 5864167 8278824 11728334 17592501 23456668 35185002 46913336 70370004 140740008