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BaseRepresentation
bin10111111000110…
…010100101010111
31000221002212210100
4113320302211113
51310043410343
6103433425143
712634300620
oct2770624527
91027085710
10400763223
11196247383
12b226b1b3
136504ab03
143b322a47
15252b49d3
hex17e32957

400763223 has 48 divisors (see below), whose sum is σ = 678562560. Its totient is φ = 223198848.

The previous prime is 400763221. The next prime is 400763261. The reversal of 400763223 is 322367004.

400763223 is a `hidden beast` number, since 4 + 0 + 0 + 7 + 632 + 23 = 666.

It is the 22-nd Motzkin number.

It is not a de Polignac number, because 400763223 - 21 = 400763221 is a prime.

It is a super-2 number, since 2×4007632232 = 321222321818695458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400763221) 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 47 ways as a sum of consecutive naturals, for example, 508836 + ... + 509622.

It is an arithmetic number, because the mean of its divisors is an integer number (14136720).

Almost surely, 2400763223 is an apocalyptic number.

400763223 is a deficient number, since it is larger than the sum of its proper divisors (277799337).

400763223 is a wasteful number, since it uses less digits than its factorization.

400763223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 400763223 is about 20019.0714819644. The cubic root of 400763223 is about 737.2746249192.

The spelling of 400763223 in words is "four hundred million, seven hundred sixty-three thousand, two hundred twenty-three".