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68708592 = 2432974919
BaseRepresentation
bin1000001100001…
…10100011110000
311210021202110200
410012012203300
5120042133332
610452355200
71463004411
oct406064360
9153252420
1068708592
1135869867
121b015b00
1311308a94
1491a7808
15607317c
hex41868f0

68708592 has 60 divisors (see below), whose sum is σ = 194310480. Its totient is φ = 22662144.

The previous prime is 68708581. The next prime is 68708599. The reversal of 68708592 is 29580786.

It is a super-2 number, since 2×687085922 = 9441741229244928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68708599) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11509 + ... + 16427.

It is an arithmetic number, because the mean of its divisors is an integer number (3238508).

Almost surely, 268708592 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 68708592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97155240).

68708592 is an abundant number, since it is smaller than the sum of its proper divisors (125601888).

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

68708592 is a wasteful number, since it uses less digits than its factorization.

68708592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030 (or 5021 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 68708592 is about 8289.0646034399. The cubic root of 68708592 is about 409.5783728307.

The spelling of 68708592 in words is "sixty-eight million, seven hundred eight thousand, five hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 97 144 194 291 388 582 776 873 1164 1552 1746 2328 3492 4656 4919 6984 9838 13968 14757 19676 29514 39352 44271 59028 78704 88542 118056 177084 236112 354168 477143 708336 954286 1431429 1908572 2862858 3817144 4294287 5725716 7634288 8588574 11451432 17177148 22902864 34354296 68708592