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2742889000 = 23532742889
BaseRepresentation
bin1010001101111101…
…0010101000101000
321002011020012100111
42203133102220220
521104134422000
61132101344104
7124654112635
oct24337225050
97064205314
102742889000
111188320115
12646708034
13349352257
141c03d918c
15110c07cba
hexa37d2a28

2742889000 has 32 divisors (see below), whose sum is σ = 6418362600. Its totient is φ = 1097155200.

The previous prime is 2742888983. The next prime is 2742889003. The reversal of 2742889000 is 9882472.

It can be written as a sum of positive squares in 4 ways, for example, as 1545590596 + 1197298404 = 39314^2 + 34602^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (2742889003) 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, 1370445 + ... + 1372444.

Almost surely, 22742889000 is an apocalyptic number.

2742889000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2742889000 is an abundant number, since it is smaller than the sum of its proper divisors (3675473600).

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

2742889000 is a wasteful number, since it uses less digits than its factorization.

2742889000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742910 (or 2742896 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 2742889000 is about 52372.5977969396. The cubic root of 2742889000 is about 1399.8110289157.

The spelling of 2742889000 in words is "two billion, seven hundred forty-two million, eight hundred eighty-nine thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 2742889 5485778 10971556 13714445 21943112 27428890 54857780 68572225 109715560 137144450 274288900 342861125 548577800 685722250 1371444500 2742889000