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68574312 = 23323492729
BaseRepresentation
bin1000001011001…
…01110001101000
311210000221021100
410011211301220
5120023334222
610445441400
71461605052
oct405456150
9153027240
1068574312
1135787994
121ab70260
131128c921
1491708d2
1560484ac
hex4165c68

68574312 has 48 divisors (see below), whose sum is σ = 186322500. Its totient is φ = 22784256.

The previous prime is 68574307. The next prime is 68574323. The reversal of 68574312 is 21347586.

It can be written as a sum of positive squares in 2 ways, for example, as 57244356 + 11329956 = 7566^2 + 3366^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23764 + ... + 26492.

Almost surely, 268574312 is an apocalyptic number.

It is an amenable number.

68574312 is an abundant number, since it is smaller than the sum of its proper divisors (117748188).

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

68574312 is a wasteful number, since it uses less digits than its factorization.

68574312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090 (or 3083 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 68574312 is about 8280.9608138186. The cubic root of 68574312 is about 409.3113802579.

It can be divided in two parts, 68574 and 312, that added together give a palindrome (68886).

The spelling of 68574312 in words is "sixty-eight million, five hundred seventy-four thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 349 698 1047 1396 2094 2729 2792 3141 4188 5458 6282 8187 8376 10916 12564 16374 21832 24561 25128 32748 49122 65496 98244 196488 952421 1904842 2857263 3809684 5714526 7619368 8571789 11429052 17143578 22858104 34287156 68574312