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68548418 = 2231490183
BaseRepresentation
bin1000001010111…
…11011101000010
311202222121202022
410011133131002
5120022022133
610445121442
71461436421
oct405373502
9152877668
1068548418
113576a494
121ab59282
1311280bc3
1491652b8
156040998
hex415f742

68548418 has 8 divisors (see below), whose sum is σ = 107293248. Its totient is φ = 32784004.

The previous prime is 68548411. The next prime is 68548421. The reversal of 68548418 is 81484586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×685484182 = 9397771220605448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68548411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745046 + ... + 745137.

It is an arithmetic number, because the mean of its divisors is an integer number (13411656).

Almost surely, 268548418 is an apocalyptic number.

68548418 is a deficient number, since it is larger than the sum of its proper divisors (38744830).

68548418 is a wasteful number, since it uses less digits than its factorization.

68548418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490208.

The product of its digits is 245760, while the sum is 44.

The square root of 68548418 is about 8279.3972002797. The cubic root of 68548418 is about 409.2598544368.

The spelling of 68548418 in words is "sixty-eight million, five hundred forty-eight thousand, four hundred eighteen".

Divisors: 1 2 23 46 1490183 2980366 34274209 68548418