Search a number
-
+
67308069 = 337606379
BaseRepresentation
bin1000000001100…
…00101000100101
311200122121022110
410000300220211
5114212324234
610402351233
71445052303
oct400605045
9150577273
1067308069
1134aa2604
121a65b519
1310c3847a
148d21273
155d981e9
hex4030a25

67308069 has 8 divisors (see below), whose sum is σ = 92169760. Its totient is φ = 43659216.

The previous prime is 67308067. The next prime is 67308077. The reversal of 67308069 is 96080376.

67308069 = T462 + T463 + ... + T794.

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

It is not a de Polignac number, because 67308069 - 21 = 67308067 is a prime.

It is a super-2 number, since 2×673080692 = 9060752305017522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67308061) 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, 303079 + ... + 303300.

It is an arithmetic number, because the mean of its divisors is an integer number (11521220).

Almost surely, 267308069 is an apocalyptic number.

It is an amenable number.

67308069 is a deficient number, since it is larger than the sum of its proper divisors (24861691).

67308069 is a wasteful number, since it uses less digits than its factorization.

67308069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606419.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 67308069 is about 8204.1494988816. The cubic root of 67308069 is about 406.7763643717.

The spelling of 67308069 in words is "sixty-seven million, three hundred eight thousand, sixty-nine".

Divisors: 1 3 37 111 606379 1819137 22436023 67308069