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82236937 = 233575519
BaseRepresentation
bin1001110011011…
…01011000001001
312201202001212111
410321231120021
5132023040222
612054342321
72016000556
oct471553011
9181661774
1082236937
1142469912
122365a9a1
1314064613
14acc9a2d
157346777
hex4e6d609

82236937 has 4 divisors (see below), whose sum is σ = 85812480. Its totient is φ = 78661396.

The previous prime is 82236929. The next prime is 82236943. The reversal of 82236937 is 73963228.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82236937 - 23 = 82236929 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82236937.

It is not an unprimeable number, because it can be changed into a prime (82236907) 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, 1787737 + ... + 1787782.

It is an arithmetic number, because the mean of its divisors is an integer number (21453120).

Almost surely, 282236937 is an apocalyptic number.

It is an amenable number.

82236937 is a deficient number, since it is larger than the sum of its proper divisors (3575543).

82236937 is a wasteful number, since it uses less digits than its factorization.

82236937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575542.

The product of its digits is 108864, while the sum is 40.

The square root of 82236937 is about 9068.4583585084. The cubic root of 82236937 is about 434.8661886392.

The spelling of 82236937 in words is "eighty-two million, two hundred thirty-six thousand, nine hundred thirty-seven".

Divisors: 1 23 3575519 82236937