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68772562 = 247731623
BaseRepresentation
bin1000001100101…
…10001011010010
311210102000012221
410012112023102
5120101210222
610454011254
71463362045
oct406261322
9153360187
1068772562
1135902931
121b046b2a
131132bc31
1491c2c5c
1560870c7
hex41962d2

68772562 has 8 divisors (see below), whose sum is σ = 105353856. Its totient is φ = 33654612.

The previous prime is 68772551. The next prime is 68772563. The reversal of 68772562 is 26527786.

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

It is not an unprimeable number, because it can be changed into a prime (68772563) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 365718 + ... + 365905.

It is an arithmetic number, because the mean of its divisors is an integer number (13169232).

Almost surely, 268772562 is an apocalyptic number.

68772562 is a deficient number, since it is larger than the sum of its proper divisors (36581294).

68772562 is a wasteful number, since it uses less digits than its factorization.

68772562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731672.

The product of its digits is 282240, while the sum is 43.

The square root of 68772562 is about 8292.9224040745. The cubic root of 68772562 is about 409.7054437966.

The spelling of 68772562 in words is "sixty-eight million, seven hundred seventy-two thousand, five hundred sixty-two".

Divisors: 1 2 47 94 731623 1463246 34386281 68772562