Search a number
-
+
67922976 = 25311131491
BaseRepresentation
bin1000000110001…
…10110000100000
311201210211210210
410003012300200
5114342013401
610423454120
71453223112
oct403066040
9151724723
1067922976
11353825a0
121a8b7340
13110c2314
1490413b2
155e6a4d6
hex40c6c20

67922976 has 96 divisors (see below), whose sum is σ = 196390656. Its totient is φ = 20384000.

The previous prime is 67922969. The next prime is 67922993.

67922976 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×679229762 = 9227061337393152, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138091 + ... + 138581.

It is an arithmetic number, because the mean of its divisors is an integer number (2045736).

Almost surely, 267922976 is an apocalyptic number.

67922976 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67922976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98195328).

67922976 is an abundant number, since it is smaller than the sum of its proper divisors (128467680).

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

67922976 is a wasteful number, since it uses less digits than its factorization.

67922976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 638 counting only the distinct ones).

The product of its digits is 571536, while the sum is 48.

The square root of 67922976 is about 8241.5396619806. The cubic root of 67922976 is about 408.0113414763.

The spelling of 67922976 in words is "sixty-seven million, nine hundred twenty-two thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 131 132 176 262 264 352 393 491 524 528 786 982 1048 1056 1441 1473 1572 1964 2096 2882 2946 3144 3928 4192 4323 5401 5764 5892 6288 7856 8646 10802 11528 11784 12576 15712 16203 17292 21604 23056 23568 32406 34584 43208 46112 47136 64321 64812 69168 86416 128642 129624 138336 172832 192963 257284 259248 385926 514568 518496 707531 771852 1029136 1415062 1543704 2058272 2122593 2830124 3087408 4245186 5660248 6174816 8490372 11320496 16980744 22640992 33961488 67922976