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214445401 = 29109179379
BaseRepresentation
bin11001100100000…
…10110101011001
3112221111221210021
430302002311121
5414344223101
633140150441
75212520152
oct1462026531
9487457707
10214445401
1110005a005
125b998421
1335574391
14206a2929
1513c5e5a1
hexcc82d59

214445401 has 16 divisors (see below), whose sum is σ = 225720000. Its totient is φ = 203466816.

The previous prime is 214445351. The next prime is 214445417. The reversal of 214445401 is 104544412.

It is a cyclic number.

It is not a de Polignac number, because 214445401 - 217 = 214314329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214445461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565630 + ... + 566008.

It is an arithmetic number, because the mean of its divisors is an integer number (14107500).

Almost surely, 2214445401 is an apocalyptic number.

It is an amenable number.

214445401 is a deficient number, since it is larger than the sum of its proper divisors (11274599).

214445401 is a wasteful number, since it uses less digits than its factorization.

214445401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 214445401 is about 14643.9544181208. The cubic root of 214445401 is about 598.5570892775.

Adding to 214445401 its reverse (104544412), we get a palindrome (318989813).

The spelling of 214445401 in words is "two hundred fourteen million, four hundred forty-five thousand, four hundred one".

Divisors: 1 29 109 179 379 3161 5191 10991 19511 41311 67841 565819 1198019 1967389 7394669 214445401