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68152748 = 22148311489
BaseRepresentation
bin1000000111111…
…10110110101100
311202020111222212
410003332312230
5114421341443
610432425552
71455201026
oct403766654
9152214885
1068152748
113551a194
121a9a82b8
1311172a91
1490a1016
155eb3618
hex40fedac

68152748 has 12 divisors (see below), whose sum is σ = 119358120. Its totient is φ = 34050432.

The previous prime is 68152723. The next prime is 68152759. The reversal of 68152748 is 84725186.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 188 + ... + 11676.

It is an arithmetic number, because the mean of its divisors is an integer number (9946510).

Almost surely, 268152748 is an apocalyptic number.

It is an amenable number.

68152748 is a deficient number, since it is larger than the sum of its proper divisors (51205372).

68152748 is a wasteful number, since it uses less digits than its factorization.

68152748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12976 (or 12974 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 68152748 is about 8255.4677638520. The cubic root of 68152748 is about 408.4709015677.

The spelling of 68152748 in words is "sixty-eight million, one hundred fifty-two thousand, seven hundred forty-eight".

Divisors: 1 2 4 1483 2966 5932 11489 22978 45956 17038187 34076374 68152748