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2850906440 = 235254328027
BaseRepresentation
bin1010100111101101…
…0110000101001000
321100200111001102102
42221323112011020
521314313001230
61150520452532
7130435206404
oct25173260510
97320431372
102850906440
111233298228
1267691a148
133658420b5
141d08b6104
1511a443045
hexa9ed6148

2850906440 has 32 divisors (see below), whose sum is σ = 6417290880. Its totient is φ = 1139873472.

The previous prime is 2850906439. The next prime is 2850906503. The reversal of 2850906440 is 446090582.

It is a junction number, because it is equal to n+sod(n) for n = 2850906394 and 2850906403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87707 + ... + 115733.

It is an arithmetic number, because the mean of its divisors is an integer number (200540340).

Almost surely, 22850906440 is an apocalyptic number.

2850906440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2850906440 is an abundant number, since it is smaller than the sum of its proper divisors (3566384440).

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

2850906440 is a wasteful number, since it uses less digits than its factorization.

2850906440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30581 (or 30577 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 2850906440 is about 53393.8801736678. The cubic root of 2850906440 is about 1417.9502330942.

The spelling of 2850906440 in words is "two billion, eight hundred fifty million, nine hundred six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 2543 5086 10172 12715 20344 25430 28027 50860 56054 101720 112108 140135 224216 280270 560540 1121080 71272661 142545322 285090644 356363305 570181288 712726610 1425453220 2850906440