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2852708987 = 17979671789
BaseRepresentation
bin1010101000001000…
…1110001001111011
321100210212122001102
42222002032021323
521320243141422
61151023242015
7130456424552
oct25202161173
97323778042
102852708987
111234309537
1267744930b
133660236ab
141d0c24d99
1511a69c192
hexaa08e27b

2852708987 has 16 divisors (see below), whose sum is σ = 3056518080. Its totient is φ = 2652991488.

The previous prime is 2852708977. The next prime is 2852708993. The reversal of 2852708987 is 7898072582.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2852708987 - 28 = 2852708731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2852708977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1593689 + ... + 1595477.

It is an arithmetic number, because the mean of its divisors is an integer number (191032380).

Almost surely, 22852708987 is an apocalyptic number.

2852708987 is a deficient number, since it is larger than the sum of its proper divisors (203809093).

2852708987 is a wasteful number, since it uses less digits than its factorization.

2852708987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870.

The product of its (nonzero) digits is 4515840, while the sum is 56.

The square root of 2852708987 is about 53410.7572217433. The cubic root of 2852708987 is about 1418.2490133246.

The spelling of 2852708987 in words is "two billion, eight hundred fifty-two million, seven hundred eight thousand, nine hundred eighty-seven".

Divisors: 1 17 97 967 1649 1789 16439 30413 93799 173533 1594583 1729963 2950061 29409371 167806411 2852708987