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68590852 = 221117107857
BaseRepresentation
bin1000001011010…
…01110100000100
311210001202221221
410011221310010
5120024401402
610450050124
71462004221
oct405516404
9153052857
1068590852
1135799360
121ab79944
1311297305
149176948
15604d337
hex4169d04

68590852 has 48 divisors (see below), whose sum is σ = 140107968. Its totient is φ = 29035520.

The previous prime is 68590843. The next prime is 68590871. The reversal of 68590852 is 25809586.

It is a junction number, because it is equal to n+sod(n) for n = 68590799 and 68590808.

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, 79608 + ... + 80464.

It is an arithmetic number, because the mean of its divisors is an integer number (2918916).

Almost surely, 268590852 is an apocalyptic number.

It is an amenable number.

68590852 is an abundant number, since it is smaller than the sum of its proper divisors (71517116).

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

68590852 is a wasteful number, since it uses less digits than its factorization.

68590852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 68590852 is about 8281.9594299900. The cubic root of 68590852 is about 409.3442860006.

The spelling of 68590852 in words is "sixty-eight million, five hundred ninety thousand, eight hundred fifty-two".

Divisors: 1 2 4 11 17 22 34 44 68 107 187 214 374 428 748 857 1177 1714 1819 2354 3428 3638 4708 7276 9427 14569 18854 20009 29138 37708 40018 58276 80036 91699 160259 183398 320518 366796 641036 1008689 1558883 2017378 3117766 4034756 6235532 17147713 34295426 68590852