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68368153 = 757716927
BaseRepresentation
bin1000001001100…
…11011100011001
311202122110110211
410010303130121
5120000240103
610441211121
71460056030
oct404633431
9152573424
1068368153
1135657007
121aa90aa1
1311219b39
149119717
15600736d
hex4133719

68368153 has 8 divisors (see below), whose sum is σ = 78275072. Its totient is φ = 58496256.

The previous prime is 68368147. The next prime is 68368159. The reversal of 68368153 is 35186386.

It is an interprime number because it is at equal distance from previous prime (68368147) and next prime (68368159).

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

It is a de Polignac number, because none of the positive numbers 2k-68368153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68368159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4425 + ... + 12502.

It is an arithmetic number, because the mean of its divisors is an integer number (9784384).

Almost surely, 268368153 is an apocalyptic number.

It is an amenable number.

68368153 is a deficient number, since it is larger than the sum of its proper divisors (9906919).

68368153 is a wasteful number, since it uses less digits than its factorization.

68368153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17511.

The product of its digits is 103680, while the sum is 40.

The square root of 68368153 is about 8268.5036735796. The cubic root of 68368153 is about 408.9007895377.

The spelling of 68368153 in words is "sixty-eight million, three hundred sixty-eight thousand, one hundred fifty-three".

Divisors: 1 7 577 4039 16927 118489 9766879 68368153