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8061995 = 51794847
BaseRepresentation
bin11110110000010000101011
3120011120222102
4132300100223
54030440440
6444444015
7125345234
oct36602053
916146872
108061995
114607107
12284960b
131893716
1410dc08b
15a93b15
hex7b042b

8061995 has 8 divisors (see below), whose sum is σ = 10243584. Its totient is φ = 6070144.

The previous prime is 8061931. The next prime is 8061997. The reversal of 8061995 is 5991608.

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 8061995 - 26 = 8061931 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8061997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47339 + ... + 47508.

It is an arithmetic number, because the mean of its divisors is an integer number (1280448).

Almost surely, 28061995 is an apocalyptic number.

8061995 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8061995 is a deficient number, since it is larger than the sum of its proper divisors (2181589).

8061995 is a wasteful number, since it uses less digits than its factorization.

8061995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94869.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 8061995 is about 2839.3652459661. The cubic root of 8061995 is about 200.5152962089.

The spelling of 8061995 in words is "eight million, sixty-one thousand, nine hundred ninety-five".

Divisors: 1 5 17 85 94847 474235 1612399 8061995