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82412045 = 522877207
BaseRepresentation
bin1001110100110…
…00001000001101
312202001222001222
410322120020031
5132044141140
612102213125
72020330232
oct472301015
9182058058
1082412045
1142579431
12237241a5
13140c6231
14ad33789
15737d5b5
hex4e9820d

82412045 has 8 divisors (see below), whose sum is σ = 98951424. Its totient is φ = 65891664.

The previous prime is 82412041. The next prime is 82412047. The reversal of 82412045 is 54021428.

It is a happy number.

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 82412045 - 22 = 82412041 is a prime.

It is a super-2 number, since 2×824120452 = 13583490322164050, 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 (82412041) 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, 7832 + ... + 15038.

It is an arithmetic number, because the mean of its divisors is an integer number (12368928).

Almost surely, 282412045 is an apocalyptic number.

It is an amenable number.

82412045 is a deficient number, since it is larger than the sum of its proper divisors (16539379).

82412045 is a wasteful number, since it uses less digits than its factorization.

82412045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9499.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 82412045 is about 9078.1080077294. The cubic root of 82412045 is about 435.1746249178.

The spelling of 82412045 in words is "eighty-two million, four hundred twelve thousand, forty-five".

Divisors: 1 5 2287 7207 11435 36035 16482409 82412045