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4406420181 = 31720785361
BaseRepresentation
bin1000001101010010…
…01010001011010101
3102101002110100010110
410012221022023111
533011020421211
62005124513233
7214123645032
oct40651121325
912332410113
104406420181
111961344779
12a2b84b819
13552ba0327
142db30a389
151abca5ea6
hex106a4a2d5

4406420181 has 8 divisors (see below), whose sum is σ = 5875637184. Its totient is φ = 2937408320.

The previous prime is 4406420173. The next prime is 4406420189. The reversal of 4406420181 is 1810246044.

It is an interprime number because it is at equal distance from previous prime (4406420173) and next prime (4406420189).

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

It is a cyclic number.

It is not a de Polignac number, because 4406420181 - 23 = 4406420173 is a prime.

It is a super-2 number, since 2×44064201812 = 38833077623048145522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4406420189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8941 + ... + 94301.

It is an arithmetic number, because the mean of its divisors is an integer number (734454648).

Almost surely, 24406420181 is an apocalyptic number.

It is an amenable number.

4406420181 is a deficient number, since it is larger than the sum of its proper divisors (1469217003).

4406420181 is a wasteful number, since it uses less digits than its factorization.

4406420181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102571.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 4406420181 is about 66380.8721018337. The cubic root of 4406420181 is about 1639.4391524875.

The spelling of 4406420181 in words is "four billion, four hundred six million, four hundred twenty thousand, one hundred eighty-one".

Divisors: 1 3 17207 51621 85361 256083 1468806727 4406420181