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82585744 = 245161609
BaseRepresentation
bin1001110110000…
…10100010010000
312202101210100021
410323002202100
5132120220434
612110033224
72021652523
oct473024220
9182353307
1082585744
114268798a
12237a8814
1314157307
14ad7abba
1573b4cb4
hex4ec2890

82585744 has 10 divisors (see below), whose sum is σ = 160009910. Its totient is φ = 41292864.

The previous prime is 82585729. The next prime is 82585751. The reversal of 82585744 is 44758528.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47775744 + 34810000 = 6912^2 + 5900^2 .

It is a super-2 number, since 2×825857442 = 13640810224067072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82585744.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2580789 + ... + 2580820.

It is an arithmetic number, because the mean of its divisors is an integer number (16000991).

Almost surely, 282585744 is an apocalyptic number.

It is an amenable number.

82585744 is a deficient number, since it is larger than the sum of its proper divisors (77424166).

82585744 is a wasteful number, since it uses less digits than its factorization.

82585744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161617 (or 5161611 counting only the distinct ones).

The product of its digits is 358400, while the sum is 43.

The square root of 82585744 is about 9087.6698883707. The cubic root of 82585744 is about 435.4801480281.

The spelling of 82585744 in words is "eighty-two million, five hundred eighty-five thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 5161609 10323218 20646436 41292872 82585744