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2887428330 = 233516764037
BaseRepresentation
bin1010110000011010…
…1010100011101010
321110020012120001000
42230012222203222
521403140201310
61154303335430
7131360510253
oct25406524352
97406176030
102887428330
111251972706
12686bb1576
1337028b797
141d56a1b2a
1511d7594c0
hexac1aa8ea

2887428330 has 64 divisors (see below), whose sum is σ = 7746036480. Its totient is φ = 765358272.

The previous prime is 2887428329. The next prime is 2887428353. The reversal of 2887428330 is 338247882.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13072 + ... + 77108.

It is an arithmetic number, because the mean of its divisors is an integer number (121031820).

Almost surely, 22887428330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2887428330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3873018240).

2887428330 is an abundant number, since it is smaller than the sum of its proper divisors (4858608150).

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

2887428330 is a wasteful number, since it uses less digits than its factorization.

2887428330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64220 (or 64214 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 2887428330 is about 53734.7962683399. The cubic root of 2887428330 is about 1423.9795020431.

The spelling of 2887428330 in words is "two billion, eight hundred eighty-seven million, four hundred twenty-eight thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 167 270 334 501 835 1002 1503 1670 2505 3006 4509 5010 7515 9018 15030 22545 45090 64037 128074 192111 320185 384222 576333 640370 960555 1152666 1728999 1921110 2881665 3457998 5763330 8644995 10694179 17289990 21388358 32082537 53470895 64165074 96247611 106941790 160412685 192495222 288742833 320825370 481238055 577485666 962476110 1443714165 2887428330