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68460354 = 23218121013
BaseRepresentation
bin1000001010010…
…01111101000010
311202211010221200
410011021331002
5120011212404
610443202030
71460621604
oct405117502
9152733850
1068460354
113570a306
121ab16316
131124cab1
149141174
156024839
hex4149f42

68460354 has 24 divisors (see below), whose sum is σ = 149157372. Its totient is φ = 22692960.

The previous prime is 68460319. The next prime is 68460383. The reversal of 68460354 is 45306486.

It can be written as a sum of positive squares in 2 ways, for example, as 38155329 + 30305025 = 6177^2 + 5505^2 .

It is a super-3 number, since 3×684603543 (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

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, 7249 + ... + 13764.

Almost surely, 268460354 is an apocalyptic number.

68460354 is an abundant number, since it is smaller than the sum of its proper divisors (80697018).

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

68460354 is a wasteful number, since it uses less digits than its factorization.

68460354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21202 (or 21199 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 68460354 is about 8274.0772295163. The cubic root of 68460354 is about 409.0845209238.

The spelling of 68460354 in words is "sixty-eight million, four hundred sixty thousand, three hundred fifty-four".

Divisors: 1 2 3 6 9 18 181 362 543 1086 1629 3258 21013 42026 63039 126078 189117 378234 3803353 7606706 11410059 22820118 34230177 68460354