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82219936 = 253182883
BaseRepresentation
bin1001110011010…
…01001110100000
312201201012112211
410321221032200
5132022014221
612054131504
72015600161
oct471511640
9181635484
1082219936
1142458067
1223650b94
1314059966
14acc3768
1573416e1
hex4e693a0

82219936 has 24 divisors (see below), whose sum is σ = 167094144. Its totient is φ = 39783360.

The previous prime is 82219933. The next prime is 82219979. The reversal of 82219936 is 63991228.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82219933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40450 + ... + 42433.

It is an arithmetic number, because the mean of its divisors is an integer number (6962256).

Almost surely, 282219936 is an apocalyptic number.

It is an amenable number.

82219936 is an abundant number, since it is smaller than the sum of its proper divisors (84874208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82219936 is a wasteful number, since it uses less digits than its factorization.

82219936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82924 (or 82916 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 82219936 is about 9067.5209401468. The cubic root of 82219936 is about 434.8362196663.

The spelling of 82219936 in words is "eighty-two million, two hundred nineteen thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 82883 165766 331532 663064 1326128 2569373 2652256 5138746 10277492 20554984 41109968 82219936