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82403030428 = 2217732227399
BaseRepresentation
bin100110010111110011…
…0100111010110011100
321212200210211200000221
41030233212213112130
52322230133433203
6101504434531124
75645011126135
oct1145746472634
9255623750027
1082403030428
1131a463a9444
1213b78736aa4
137a02c41c04
143db9d86c8c
152224442abd
hex132f9a759c

82403030428 has 36 divisors (see below), whose sum is σ = 154808917200. Its totient is φ = 38246524416.

The previous prime is 82403030417. The next prime is 82403030429.

82403030428 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 82403030393 and 82403030402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82403030429) 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, 248673 + ... + 476071.

It is an arithmetic number, because the mean of its divisors is an integer number (4300247700).

Almost surely, 282403030428 is an apocalyptic number.

It is an amenable number.

82403030428 is a deficient number, since it is larger than the sum of its proper divisors (72405886772).

82403030428 is a wasteful number, since it uses less digits than its factorization.

82403030428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227566 (or 227491 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

It can be divided in two parts, 824030 and 30428, that added together give a palindrome (854458).

The spelling of 82403030428 in words is "eighty-two billion, four hundred three million, thirty thousand, four hundred twenty-eight".

Divisors: 1 2 4 17 34 68 73 146 292 1241 2482 4964 5329 10658 21316 90593 181186 227399 362372 454798 909596 3865783 7731566 15463132 16600127 33200254 66400508 282202159 564404318 1128808636 1211809271 2423618542 4847237084 20600757607 41201515214 82403030428