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82073927 = 136313379
BaseRepresentation
bin1001110010001…
…01100101000111
312201102210021002
410321011211013
5132002331202
612051043515
72014421405
oct471054507
9181383232
1082073927
11423683a1
12235a059b
1314008370
14ac86475
157313302
hex4e45947

82073927 has 4 divisors (see below), whose sum is σ = 88387320. Its totient is φ = 75760536.

The previous prime is 82073917. The next prime is 82073933. The reversal of 82073927 is 72937028.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82073927 - 24 = 82073911 is a prime.

It is a super-2 number, since 2×820739272 = 13472258986402658, 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 (82073917) 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 3 ways as a sum of consecutive naturals, for example, 3156677 + ... + 3156702.

It is an arithmetic number, because the mean of its divisors is an integer number (22096830).

Almost surely, 282073927 is an apocalyptic number.

82073927 is a deficient number, since it is larger than the sum of its proper divisors (6313393).

82073927 is a wasteful number, since it uses less digits than its factorization.

82073927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6313392.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 82073927 is about 9059.4661542499. The cubic root of 82073927 is about 434.5786680943.

It can be divided in two parts, 820 and 73927, that added together give a palindrome (74747).

The spelling of 82073927 in words is "eighty-two million, seventy-three thousand, nine hundred twenty-seven".

Divisors: 1 13 6313379 82073927