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229478401 = 436189983
BaseRepresentation
bin11011010110110…
…01000000000001
3120222210201012001
431223121000001
5432221302101
634434304001
75454351145
oct1553310001
9528721161
10229478401
11108597579
1264a28001
1338708a49
1422697225
151522d901
hexdad9001

229478401 has 16 divisors (see below), whose sum is σ = 241591680. Its totient is φ = 217768320.

The previous prime is 229478377. The next prime is 229478407. The reversal of 229478401 is 104874922.

It is a cyclic number.

It is not a de Polignac number, because 229478401 - 29 = 229477889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229478407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232956 + ... + 233938.

It is an arithmetic number, because the mean of its divisors is an integer number (15099480).

Almost surely, 2229478401 is an apocalyptic number.

It is an amenable number.

229478401 is a deficient number, since it is larger than the sum of its proper divisors (12113279).

229478401 is an equidigital number, since it uses as much as digits as its factorization.

229478401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 229478401 is about 15148.5445175436. The cubic root of 229478401 is about 612.2290577856.

The spelling of 229478401 in words is "two hundred twenty-nine million, four hundred seventy-eight thousand, four hundred one".

Divisors: 1 43 61 89 983 2623 3827 5429 42269 59963 87487 233447 2578409 3761941 5336707 229478401