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67303061 = 79839781
BaseRepresentation
bin1000000001011…
…11011010010101
311200122100102222
410000233122111
5114212144221
610402312125
71445031560
oct400573225
9150570388
1067303061
1134a99871
121a658645
1310c360c7
148d1d4d7
155d969ab
hex402f695

67303061 has 8 divisors (see below), whose sum is σ = 77003904. Its totient is φ = 57623760.

The previous prime is 67303043. The next prime is 67303063. The reversal of 67303061 is 16030376.

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 67303061 - 214 = 67286677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67303061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67303063) 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, 1991 + ... + 11771.

It is an arithmetic number, because the mean of its divisors is an integer number (9625488).

Almost surely, 267303061 is an apocalyptic number.

It is an amenable number.

67303061 is a deficient number, since it is larger than the sum of its proper divisors (9700843).

67303061 is an equidigital number, since it uses as much as digits as its factorization.

67303061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10771.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 67303061 is about 8203.8442817986. The cubic root of 67303061 is about 406.7662755043.

The spelling of 67303061 in words is "sixty-seven million, three hundred three thousand, sixty-one".

Divisors: 1 7 983 6881 9781 68467 9614723 67303061