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67080038 = 237906487
BaseRepresentation
bin1111111111100…
…0111101100110
311200020000111212
43333320331212
5114133030123
610353431422
71443112424
oct377707546
9150200455
1067080038
1134957253
121a56b572
1310b8873c
148ca2114
155d50878
hex3ff8f66

67080038 has 8 divisors (see below), whose sum is σ = 103339632. Its totient is φ = 32633496.

The previous prime is 67080037. The next prime is 67080047. The reversal of 67080038 is 83008076.

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

It is a junction number, because it is equal to n+sod(n) for n = 67079986 and 67080013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67080031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453170 + ... + 453317.

It is an arithmetic number, because the mean of its divisors is an integer number (12917454).

Almost surely, 267080038 is an apocalyptic number.

67080038 is a deficient number, since it is larger than the sum of its proper divisors (36259594).

67080038 is a wasteful number, since it uses less digits than its factorization.

67080038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906526.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 67080038 is about 8190.2404116119. The cubic root of 67080038 is about 406.3164761276.

It can be divided in two parts, 670 and 80038, that added together give a palindrome (80708).

The spelling of 67080038 in words is "sixty-seven million, eighty thousand, thirty-eight".

Divisors: 1 2 37 74 906487 1812974 33540019 67080038