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401352223 = 478539409
BaseRepresentation
bin10111111011000…
…010011000011111
31000222012210202011
4113323002120133
51310221232343
6103454212051
712642303046
oct2773023037
91028183664
10401352223
11196609958
12b24b4027
13651c5c2c
143b43755d
152537e29d
hex17ec261f

401352223 has 4 divisors (see below), whose sum is σ = 409891680. Its totient is φ = 392812768.

The previous prime is 401352191. The next prime is 401352233. The reversal of 401352223 is 322253104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401352223 - 25 = 401352191 is a prime.

It is a super-2 number, since 2×4013522232 = 322167213814083458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401352194 and 401352203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401352233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4269658 + ... + 4269751.

It is an arithmetic number, because the mean of its divisors is an integer number (102472920).

Almost surely, 2401352223 is an apocalyptic number.

401352223 is a deficient number, since it is larger than the sum of its proper divisors (8539457).

401352223 is an equidigital number, since it uses as much as digits as its factorization.

401352223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8539456.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 401352223 is about 20033.7770527677. Note that the first 3 decimals coincide. The cubic root of 401352223 is about 737.6356379080.

The spelling of 401352223 in words is "four hundred one million, three hundred fifty-two thousand, two hundred twenty-three".

Divisors: 1 47 8539409 401352223