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68258544 = 2434333071
BaseRepresentation
bin1000001000110…
…00101011110000
311202102220010020
410010120223300
5114433233134
610435003440
71456121334
oct404305360
9152386106
1068258544
1135591722
121aa39580
13111abc93
1490cb7c4
155ed4b49
hex4118af0

68258544 has 40 divisors (see below), whose sum is σ = 180440832. Its totient is φ = 22223040.

The previous prime is 68258543. The next prime is 68258557. The reversal of 68258544 is 44585286.

It is a junction number, because it is equal to n+sod(n) for n = 68258496 and 68258505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68258543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14472 + ... + 18599.

Almost surely, 268258544 is an apocalyptic number.

It is an amenable number.

68258544 is an abundant number, since it is smaller than the sum of its proper divisors (112182288).

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

68258544 is a wasteful number, since it uses less digits than its factorization.

68258544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33125 (or 33119 counting only the distinct ones).

The product of its digits is 307200, while the sum is 42.

The square root of 68258544 is about 8261.8729111504. The cubic root of 68258544 is about 408.6821537272.

The spelling of 68258544 in words is "sixty-eight million, two hundred fifty-eight thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 43 48 86 129 172 258 344 516 688 1032 2064 33071 66142 99213 132284 198426 264568 396852 529136 793704 1422053 1587408 2844106 4266159 5688212 8532318 11376424 17064636 22752848 34129272 68258544