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2828252640 = 25355892193
BaseRepresentation
bin1010100010010011…
…1011010111100000
321022002212010020210
42220210323113200
521243013041030
61144351134120
7130041515343
oct25044732740
97262763223
102828252640
111221525084
1266b214340
13360c3ca95
141cb89a45a
1511846abb0
hexa893b5e0

2828252640 has 48 divisors (see below), whose sum is σ = 8908997328. Its totient is φ = 754200576.

The previous prime is 2828252633. The next prime is 2828252641. The reversal of 2828252640 is 462528282.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828252641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2945617 + ... + 2946576.

It is an arithmetic number, because the mean of its divisors is an integer number (185604111).

Almost surely, 22828252640 is an apocalyptic number.

2828252640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2828252640 is an abundant number, since it is smaller than the sum of its proper divisors (6080744688).

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

2828252640 is a wasteful number, since it uses less digits than its factorization.

2828252640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892211 (or 5892203 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 2828252640 is about 53181.3185244593. The cubic root of 2828252640 is about 1414.1844809840.

The spelling of 2828252640 in words is "two billion, eight hundred twenty-eight million, two hundred fifty-two thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 5892193 11784386 17676579 23568772 29460965 35353158 47137544 58921930 70706316 88382895 94275088 117843860 141412632 176765790 188550176 235687720 282825264 353531580 471375440 565650528 707063160 942750880 1414126320 2828252640