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400223101 = 12731110133
BaseRepresentation
bin10111110110101…
…110101101111101
31000220002102212211
4113312232231331
51304424114401
6103414100421
712626561125
oct2766565575
91026072784
10400223101
11195a085a3
12b204a711
1364bbc005
143b221c85
1525209951
hex17daeb7d

400223101 has 8 divisors (see below), whose sum is σ = 404711424. Its totient is φ = 395755920.

The previous prime is 400223077. The next prime is 400223111. The reversal of 400223101 is 101322004.

400223101 is nontrivially palindromic in base 2.

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 400223101 - 211 = 400221053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400223111) 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, 34431 + ... + 44563.

It is an arithmetic number, because the mean of its divisors is an integer number (50588928).

Almost surely, 2400223101 is an apocalyptic number.

It is an amenable number.

400223101 is a deficient number, since it is larger than the sum of its proper divisors (4488323).

400223101 is a wasteful number, since it uses less digits than its factorization.

400223101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10571.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 400223101 is about 20005.5767474972. The cubic root of 400223101 is about 736.9432594533.

Adding to 400223101 its reverse (101322004), we get a palindrome (501545105).

The spelling of 400223101 in words is "four hundred million, two hundred twenty-three thousand, one hundred one".

Divisors: 1 127 311 10133 39497 1286891 3151363 400223101