Search a number
-
+
6165140 = 2252811097
BaseRepresentation
bin10111100001001010010100
3102121012222112
4113201022110
53034241030
6340050152
7103255112
oct27411224
912535875
106165140
113530a63
122093958
13137b217
14b66ab2
1581ba95
hex5e1294

6165140 has 24 divisors (see below), whose sum is σ = 13004712. Its totient is φ = 2455040.

The previous prime is 6165121. The next prime is 6165191. The reversal of 6165140 is 415616.

It can be written as a sum of positive squares in 4 ways, for example, as 538756 + 5626384 = 734^2 + 2372^2 .

It is a congruent number.

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, 5072 + ... + 6168.

It is an arithmetic number, because the mean of its divisors is an integer number (541863).

Almost surely, 26165140 is an apocalyptic number.

It is an amenable number.

6165140 is an abundant number, since it is smaller than the sum of its proper divisors (6839572).

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

6165140 is a wasteful number, since it uses less digits than its factorization.

6165140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387 (or 1385 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 6165140 is about 2482.9699957913. The cubic root of 6165140 is about 183.3641013558.

The spelling of 6165140 in words is "six million, one hundred sixty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 281 562 1097 1124 1405 2194 2810 4388 5485 5620 10970 21940 308257 616514 1233028 1541285 3082570 6165140