Search a number
-
+
67941984 = 2531125849
BaseRepresentation
bin1000000110010…
…11011001100000
311201211210212210
410003023121200
5114343120414
610424122120
71453332405
oct403133140
9151753783
1067941984
1135395900
121a906340
13110cab76
1490482ac
155e70e59
hex40cb660

67941984 has 72 divisors (see below), whose sum is σ = 196068600. Its totient is φ = 20584960.

The previous prime is 67941899. The next prime is 67942003. The reversal of 67941984 is 48914976.

It is a super-2 number, since 2×679419842 = 9232226379712512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8692 + ... + 14540.

It is an arithmetic number, because the mean of its divisors is an integer number (2723175).

Almost surely, 267941984 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 67941984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98034300).

67941984 is an abundant number, since it is smaller than the sum of its proper divisors (128126616).

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

67941984 is a wasteful number, since it uses less digits than its factorization.

67941984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884 (or 5865 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 67941984 is about 8242.6927638970. The cubic root of 67941984 is about 408.0493980943.

It can be divided in two parts, 6794 and 1984, that added together give a palindrome (8778).

The spelling of 67941984 in words is "sixty-seven million, nine hundred forty-one thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 121 132 176 242 264 352 363 484 528 726 968 1056 1452 1936 2904 3872 5808 5849 11616 11698 17547 23396 35094 46792 64339 70188 93584 128678 140376 187168 193017 257356 280752 386034 514712 561504 707729 772068 1029424 1415458 1544136 2058848 2123187 2830916 3088272 4246374 5661832 6176544 8492748 11323664 16985496 22647328 33970992 67941984