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82903060 = 2251272257
BaseRepresentation
bin1001111000100…
…00000000010100
312202222220121201
410330100000110
5132210344220
612120522244
72024443612
oct474200024
9182886551
1082903060
1142884329
1223920384
1314238886
14b0206b2
157428d0a
hex4f10014

82903060 has 36 divisors (see below), whose sum is σ = 176160852. Its totient is φ = 32772096.

The previous prime is 82903049. The next prime is 82903069. The reversal of 82903060 is 6030928.

It can be written as a sum of positive squares in 2 ways, for example, as 61999876 + 20903184 = 7874^2 + 4572^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82903069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322452 + ... + 322708.

It is an arithmetic number, because the mean of its divisors is an integer number (4893357).

Almost surely, 282903060 is an apocalyptic number.

It is an amenable number.

82903060 is an abundant number, since it is smaller than the sum of its proper divisors (93257792).

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

82903060 is a wasteful number, since it uses less digits than its factorization.

82903060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 82903060 is about 9105.1117510989. Note that the first 3 decimals coincide. The cubic root of 82903060 is about 436.0371780434.

Adding to 82903060 its reverse (6030928), we get a palindrome (88933988).

The spelling of 82903060 in words is "eighty-two million, nine hundred three thousand, sixty".

Divisors: 1 2 4 5 10 20 127 254 257 508 514 635 1028 1270 1285 2540 2570 5140 16129 32258 32639 64516 65278 80645 130556 161290 163195 322580 326390 652780 4145153 8290306 16580612 20725765 41451530 82903060