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67293083 = 11131632887
BaseRepresentation
bin1000000001011…
…00111110011011
311200121211202102
410000230332123
5114211334313
610402154015
71444660514
oct400547633
9150554672
1067293083
1134a92320
121a65290b
1310c316c0
148d19a0b
155d93a58
hex402cf9b

67293083 has 16 divisors (see below), whose sum is σ = 79570176. Its totient is φ = 56103840.

The previous prime is 67293073. The next prime is 67293091. The reversal of 67293083 is 38039276.

It is not a de Polignac number, because 67293083 - 210 = 67292059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67293073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21866 + ... + 24752.

It is an arithmetic number, because the mean of its divisors is an integer number (4973136).

Almost surely, 267293083 is an apocalyptic number.

67293083 is a deficient number, since it is larger than the sum of its proper divisors (12277093).

67293083 is a wasteful number, since it uses less digits than its factorization.

67293083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 67293083 is about 8203.2361297234. The cubic root of 67293083 is about 406.7461728303.

The spelling of 67293083 in words is "sixty-seven million, two hundred ninety-three thousand, eighty-three".

Divisors: 1 11 13 143 163 1793 2119 2887 23309 31757 37531 412841 470581 5176391 6117553 67293083