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68537033 = 238593469
BaseRepresentation
bin1000001010111…
…00101011001001
311202222001010122
410011130223021
5120021141113
610444553025
71461361265
oct405345311
9152861118
1068537033
1135761984
121ab52775
1311278976
1491610a5
15603c408
hex415cac9

68537033 has 8 divisors (see below), whose sum is σ = 71620800. Its totient is φ = 65461968.

The previous prime is 68537023. The next prime is 68537039. The reversal of 68537033 is 33073586.

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

It is a cyclic number.

It is not a de Polignac number, because 68537033 - 28 = 68536777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68536984 and 68537002.

It is not an unprimeable number, because it can be changed into a prime (68537039) 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, 18023 + ... + 21491.

It is an arithmetic number, because the mean of its divisors is an integer number (8952600).

Almost surely, 268537033 is an apocalyptic number.

It is an amenable number.

68537033 is a deficient number, since it is larger than the sum of its proper divisors (3083767).

68537033 is a wasteful number, since it uses less digits than its factorization.

68537033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4351.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 68537033 is about 8278.7096216741. The cubic root of 68537033 is about 409.2371956040.

The spelling of 68537033 in words is "sixty-eight million, five hundred thirty-seven thousand, thirty-three".

Divisors: 1 23 859 3469 19757 79787 2979871 68537033