[go: up one dir, main page]

Search a number
-
+
68107748 = 2217026937
BaseRepresentation
bin1000000111100…
…11110111100100
311202011020021012
410003303313210
5114413421443
610431441352
71454622602
oct403636744
9152136235
1068107748
11354993a5
121a986258
1311158457
14908c872
155ea5118
hex40f3de4

68107748 has 6 divisors (see below), whose sum is σ = 119188566. Its totient is φ = 34053872.

The previous prime is 68107727. The next prime is 68107783. The reversal of 68107748 is 84770186.

It can be written as a sum of positive squares in only one way, i.e., 52678564 + 15429184 = 7258^2 + 3928^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8513465 + ... + 8513472.

It is an arithmetic number, because the mean of its divisors is an integer number (19864761).

Almost surely, 268107748 is an apocalyptic number.

It is an amenable number.

68107748 is a deficient number, since it is larger than the sum of its proper divisors (51080818).

68107748 is a wasteful number, since it uses less digits than its factorization.

68107748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17026941 (or 17026939 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 68107748 is about 8252.7418474105. The cubic root of 68107748 is about 408.3809798444.

The spelling of 68107748 in words is "sixty-eight million, one hundred seven thousand, seven hundred forty-eight".

Divisors: 1 2 4 17026937 34053874 68107748