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82887796 = 2220721949
BaseRepresentation
bin1001111000011…
…00010001110100
312202222010200101
410330030101310
5132204402141
612120323444
72024351245
oct474142164
9182863611
1082887796
1142873912
1223913584
1314231944
14b018ccc
157424531
hex4f0c474

82887796 has 6 divisors (see below), whose sum is σ = 145053650. Its totient is φ = 41443896.

The previous prime is 82887737. The next prime is 82887797. The reversal of 82887796 is 69778828.

It can be written as a sum of positive squares in only one way, i.e., 67568400 + 15319396 = 8220^2 + 3914^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82887797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10360971 + ... + 10360978.

Almost surely, 282887796 is an apocalyptic number.

It is an amenable number.

82887796 is a deficient number, since it is larger than the sum of its proper divisors (62165854).

82887796 is a wasteful number, since it uses less digits than its factorization.

82887796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20721953 (or 20721951 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 55.

The square root of 82887796 is about 9104.2735020429. The cubic root of 82887796 is about 436.0104155411.

The spelling of 82887796 in words is "eighty-two million, eight hundred eighty-seven thousand, seven hundred ninety-six".

Divisors: 1 2 4 20721949 41443898 82887796