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82194051 = 331883807
BaseRepresentation
bin1001110011000…
…10111010000011
312201122220001010
410321202322003
5132020202201
612053412003
72015431542
oct471427203
9181586033
1082194051
114243a675
122363a003
131404ac44
14acb8159
157338bd6
hex4e62e83

82194051 has 8 divisors (see below), whose sum is σ = 113127424. Its totient is φ = 53028360.

The previous prime is 82194041. The next prime is 82194071. The reversal of 82194051 is 15049128.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-82194051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82194001) 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 7 ways as a sum of consecutive naturals, for example, 441811 + ... + 441996.

It is an arithmetic number, because the mean of its divisors is an integer number (14140928).

Almost surely, 282194051 is an apocalyptic number.

82194051 is a deficient number, since it is larger than the sum of its proper divisors (30933373).

82194051 is a wasteful number, since it uses less digits than its factorization.

82194051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883841.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 82194051 is about 9066.0934806564. The cubic root of 82194051 is about 434.7905822475.

The spelling of 82194051 in words is "eighty-two million, one hundred ninety-four thousand, fifty-one".

Divisors: 1 3 31 93 883807 2651421 27398017 82194051