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581063442 = 23313123997
BaseRepresentation
bin100010101000100…
…101001100010010
31111111101002012020
4202220211030102
52142223012232
6133354112310
720253646341
oct4250451422
91444332166
10581063442
11278aa4623
1214271b696
13934c852b
1457257b58
153602be2c
hex22a25312

581063442 has 16 divisors (see below), whose sum is σ = 1199615232. Its totient is φ = 187439760.

The previous prime is 581063423. The next prime is 581063449. The reversal of 581063442 is 244360185.

It is not an unprimeable number, because it can be changed into a prime (581063449) 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 7 ways as a sum of consecutive naturals, for example, 1561813 + ... + 1562184.

It is an arithmetic number, because the mean of its divisors is an integer number (74975952).

Almost surely, 2581063442 is an apocalyptic number.

581063442 is an abundant number, since it is smaller than the sum of its proper divisors (618551790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

581063442 is a wasteful number, since it uses less digits than its factorization.

581063442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124033.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 581063442 is about 24105.2575592961. The cubic root of 581063442 is about 834.4644716522.

The spelling of 581063442 in words is "five hundred eighty-one million, sixty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 31 62 93 186 3123997 6247994 9371991 18743982 96843907 193687814 290531721 581063442