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2168834208 = 25322592023
BaseRepresentation
bin1000000101000101…
…1100100010100000
312121011001012012220
42001101130202200
513420210143313
6555113351040
7104513533542
oct20121344240
95534035186
102168834208
11a13283272
12506408480
1328743bb68
14168087692
15ca612823
hex8145c8a0

2168834208 has 24 divisors (see below), whose sum is σ = 5693190048. Its totient is φ = 722944704.

The previous prime is 2168834207. The next prime is 2168834251. The reversal of 2168834208 is 8024388612.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2168834208.

It is not an unprimeable number, because it can be changed into a prime (2168834207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11295916 + ... + 11296107.

It is an arithmetic number, because the mean of its divisors is an integer number (237216252).

Almost surely, 22168834208 is an apocalyptic number.

It is an amenable number.

2168834208 is an abundant number, since it is smaller than the sum of its proper divisors (3524355840).

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

2168834208 is a wasteful number, since it uses less digits than its factorization.

2168834208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22592036 (or 22592028 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 2168834208 is about 46570.7441211755. The cubic root of 2168834208 is about 1294.4207062032.

The spelling of 2168834208 in words is "two billion, one hundred sixty-eight million, eight hundred thirty-four thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 22592023 45184046 67776069 90368092 135552138 180736184 271104276 361472368 542208552 722944736 1084417104 2168834208