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2720794394 = 21678146091
BaseRepresentation
bin1010001000101100…
…0000011100011010
321000121122200020202
42202023000130122
521033010410034
61125552022202
7124265241113
oct24213003432
97017580222
102720794394
1111768aa10a
1263b231962
133448b7616
141bb4c720a
1510dce147e
hexa22c071a

2720794394 has 8 divisors (see below), whose sum is σ = 4105630368. Its totient is φ = 1352250940.

The previous prime is 2720794343. The next prime is 2720794397. The reversal of 2720794394 is 4934970272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2720794397) 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, 4072712 + ... + 4073379.

It is an arithmetic number, because the mean of its divisors is an integer number (513203796).

Almost surely, 22720794394 is an apocalyptic number.

2720794394 is a deficient number, since it is larger than the sum of its proper divisors (1384835974).

2720794394 is a wasteful number, since it uses less digits than its factorization.

2720794394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146260.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 2720794394 is about 52161.2345904504. The cubic root of 2720794394 is about 1396.0422907224.

The spelling of 2720794394 in words is "two billion, seven hundred twenty million, seven hundred ninety-four thousand, three hundred ninety-four".

Divisors: 1 2 167 334 8146091 16292182 1360397197 2720794394