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556143430 = 25193328771
BaseRepresentation
bin100001001001100…
…001001101000110
31102202111000100211
4201021201031012
52114333042210
6131104030034
716532066263
oct4111411506
91382430324
10556143430
11265a23877
1213630231a
138b2b186b
1453c0c26a
1533c5838a
hex21261346

556143430 has 16 divisors (see below), whose sum is σ = 1001610864. Its totient is φ = 222334560.

The previous prime is 556143421. The next prime is 556143481. The reversal of 556143430 is 34341655.

It is a junction number, because it is equal to n+sod(n) for n = 556143392 and 556143401.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4945 + ... + 33715.

It is an arithmetic number, because the mean of its divisors is an integer number (62600679).

Almost surely, 2556143430 is an apocalyptic number.

556143430 is a deficient number, since it is larger than the sum of its proper divisors (445467434).

556143430 is a wasteful number, since it uses less digits than its factorization.

556143430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30711.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 556143430 is about 23582.6934424378. The cubic root of 556143430 is about 822.3605538365.

The spelling of 556143430 in words is "five hundred fifty-six million, one hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 1933 3866 9665 19330 28771 57542 143855 287710 55614343 111228686 278071715 556143430