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68054556 = 2235671213
BaseRepresentation
bin1000000111001…
…10111000011100
311202001112022010
410003212320130
5114410221211
610430351220
71454311533
oct403467034
9152045263
1068054556
1135462439
121a95b510
131113a18b
14907731a
155e944a6
hex40e6e1c

68054556 has 12 divisors (see below), whose sum is σ = 158793992. Its totient is φ = 22684848.

The previous prime is 68054549. The next prime is 68054563. The reversal of 68054556 is 65545086.

It is an interprime number because it is at equal distance from previous prime (68054549) and next prime (68054563).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2835595 + ... + 2835618.

Almost surely, 268054556 is an apocalyptic number.

It is an amenable number.

68054556 is an abundant number, since it is smaller than the sum of its proper divisors (90739436).

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

68054556 is a wasteful number, since it uses less digits than its factorization.

68054556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671220 (or 5671218 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 68054556 is about 8249.5185314053. The cubic root of 68054556 is about 408.2746372755.

The spelling of 68054556 in words is "sixty-eight million, fifty-four thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 12 5671213 11342426 17013639 22684852 34027278 68054556