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2742862872 = 233731565561
BaseRepresentation
bin1010001101111100…
…1100010000011000
321002011011212111210
42203133030100120
521104133102442
61132101023120
7124653643521
oct24337142030
97064155453
102742862872
111188302522
126466b4aa0
133493433a9
141c03cd848
15110c0019c
hexa37cc418

2742862872 has 32 divisors (see below), whose sum is σ = 6951095280. Its totient is φ = 901762560.

The previous prime is 2742862853. The next prime is 2742862879. The reversal of 2742862872 is 2782682472.

It is a Smith number, since the sum of its digits (48) 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 (2742862879) 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, 781029 + ... + 784532.

Almost surely, 22742862872 is an apocalyptic number.

It is an amenable number.

2742862872 is an abundant number, since it is smaller than the sum of its proper divisors (4208232408).

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

2742862872 is a wasteful number, since it uses less digits than its factorization.

2742862872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565643 (or 1565639 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 48.

The square root of 2742862872 is about 52372.3483529238. The cubic root of 2742862872 is about 1399.8065841644.

The spelling of 2742862872 in words is "two billion, seven hundred forty-two million, eight hundred sixty-two thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 73 146 219 292 438 584 876 1752 1565561 3131122 4696683 6262244 9393366 12524488 18786732 37573464 114285953 228571906 342857859 457143812 685715718 914287624 1371431436 2742862872