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28603487332 = 2272399744549
BaseRepresentation
bin11010101000111001…
…101001010001100100
32201211102111201010201
4122220321221101210
5432034443043312
621050144000244
72031551426230
oct325071512144
981742451121
1028603487332
1111148a17432
125663300084
13290ac67a44
141554ba35c0
15b26222557
hex6a8e69464

28603487332 has 48 divisors (see below), whose sum is σ = 59755449600. Its totient is φ = 11713629312.

The previous prime is 28603487317. The next prime is 28603487351. The reversal of 28603487332 is 23378430682.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619794 + ... + 664342.

It is an arithmetic number, because the mean of its divisors is an integer number (1244905200).

Almost surely, 228603487332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28603487332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29877724800).

28603487332 is an abundant number, since it is smaller than the sum of its proper divisors (31151962268).

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

28603487332 is a wasteful number, since it uses less digits than its factorization.

28603487332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45580 (or 45578 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 28603487332 in words is "twenty-eight billion, six hundred three million, four hundred eighty-seven thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 997 1994 3988 6979 13958 22931 27916 44549 45862 89098 91724 160517 178196 311843 321034 623686 642068 1024627 1247372 2049254 4098508 7172389 14344778 28689556 44415353 88830706 177661412 310907471 621814942 1021553119 1243629884 2043106238 4086212476 7150871833 14301743666 28603487332