Search a number
-
+
68134776 = 23317315387
BaseRepresentation
bin1000000111110…
…10011101111000
311202012121100020
410003322131320
5114420303101
610432210440
71455064443
oct403723570
9152177306
1068134776
1135507736
121a999a20
1311167848
14909865a
155ead136
hex40fa778

68134776 has 64 divisors (see below), whose sum is σ = 186209280. Its totient is φ = 20682240.

The previous prime is 68134771. The next prime is 68134777. The reversal of 68134776 is 67743186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68134771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9955 + ... + 15341.

It is an arithmetic number, because the mean of its divisors is an integer number (2909520).

Almost surely, 268134776 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 68134776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93104640).

68134776 is an abundant number, since it is smaller than the sum of its proper divisors (118074504).

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

68134776 is a wasteful number, since it uses less digits than its factorization.

68134776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444 (or 5440 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 68134776 is about 8254.3792013694. The cubic root of 68134776 is about 408.4349935784.

The spelling of 68134776 in words is "sixty-eight million, one hundred thirty-four thousand, seven hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 17 24 31 34 51 62 68 93 102 124 136 186 204 248 372 408 527 744 1054 1581 2108 3162 4216 5387 6324 10774 12648 16161 21548 32322 43096 64644 91579 129288 166997 183158 274737 333994 366316 500991 549474 667988 732632 1001982 1098948 1335976 2003964 2197896 2838949 4007928 5677898 8516847 11355796 17033694 22711592 34067388 68134776