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1073391142 = 219715831721
BaseRepresentation
bin111111111110101…
…010011000100110
32202210202220211111
4333332222120212
54144242004032
6254302255234
735412450145
oct7776523046
92683686744
101073391142
115009a071a
1225b58751a
131414c53b5
14a27b375c
156437bc47
hex3ffaa626

1073391142 has 16 divisors (see below), whose sum is σ = 1620222912. Its totient is φ = 533323840.

The previous prime is 1073391131. The next prime is 1073391191. The reversal of 1073391142 is 2411933701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622842 + ... + 624562.

It is an arithmetic number, because the mean of its divisors is an integer number (101263932).

Almost surely, 21073391142 is an apocalyptic number.

1073391142 is a deficient number, since it is larger than the sum of its proper divisors (546831770).

1073391142 is a wasteful number, since it uses less digits than its factorization.

1073391142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1073391142 is about 32762.6485803575. The cubic root of 1073391142 is about 1023.8885090560. Note that the first 3 decimals are identical.

The spelling of 1073391142 in words is "one billion, seventy-three million, three hundred ninety-one thousand, one hundred forty-two".

Divisors: 1 2 197 394 1583 1721 3166 3442 311851 339037 623702 678074 2724343 5448686 536695571 1073391142