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2028047696 = 241114911369
BaseRepresentation
bin111100011100001…
…1000110101010000
312020100010111102122
41320320120311100
513123140011241
6533124033412
7101154056333
oct17070306520
95210114378
102028047696
11950864284
12487232868
1326421782c
141534ba61a
15bd0a304b
hex78e18d50

2028047696 has 20 divisors (see below), whose sum is σ = 3930040500. Its totient is φ = 1013843712.

The previous prime is 2028047653. The next prime is 2028047699. The reversal of 2028047696 is 6967408202.

It can be written as a sum of positive squares in 2 ways, for example, as 888040000 + 1140007696 = 29800^2 + 33764^2 .

It is a super-2 number, since 2×20280476962 = 8225954914501816832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028047699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172700 + ... + 184068.

It is an arithmetic number, because the mean of its divisors is an integer number (196502025).

Almost surely, 22028047696 is an apocalyptic number.

It is an amenable number.

2028047696 is a deficient number, since it is larger than the sum of its proper divisors (1901992804).

2028047696 is a wasteful number, since it uses less digits than its factorization.

2028047696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22526 (or 22520 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 2028047696 is about 45033.8505571087. The cubic root of 2028047696 is about 1265.7833776712.

It can be divided in two parts, 20280 and 47696, that added together give a palindrome (67976).

The spelling of 2028047696 in words is "two billion, twenty-eight million, forty-seven thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 11149 11369 22298 22738 44596 45476 89192 90952 178384 181904 126752981 253505962 507011924 1014023848 2028047696