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2825988728 = 231709206699
BaseRepresentation
bin1010100001110001…
…0010101001111000
321021221121002202012
42220130102221320
521241423114403
61144230425052
7130013336123
oct25034225170
97257532665
102825988728
111220219182
1266a502188
133606294a4
141cb46b3ba
1511816eed8
hexa8712a78

2825988728 has 16 divisors (see below), whose sum is σ = 5301855000. Its totient is φ = 1412160736.

The previous prime is 2825988721. The next prime is 2825988743. The reversal of 2825988728 is 8278895282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2825988721) 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, 89678 + ... + 117021.

Almost surely, 22825988728 is an apocalyptic number.

It is an amenable number.

2825988728 is a deficient number, since it is larger than the sum of its proper divisors (2475866272).

2825988728 is a wasteful number, since it uses less digits than its factorization.

2825988728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208414 (or 208410 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 59.

The square root of 2825988728 is about 53160.0294206089. The cubic root of 2825988728 is about 1413.8070460733.

The spelling of 2825988728 in words is "two billion, eight hundred twenty-five million, nine hundred eighty-eight thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 1709 3418 6836 13672 206699 413398 826796 1653592 353248591 706497182 1412994364 2825988728