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1030243142 = 2769669859
BaseRepresentation
bin111101011010000…
…100001101000110
32122210120202220102
4331122010031012
54102220240032
6250121404102
734346631215
oct7532041506
92583522812
101030243142
114895aaa15
12249039632
13135598a36
149ab8107c
15606a7362
hex3d684346

1030243142 has 8 divisors (see below), whose sum is σ = 1547376600. Its totient is φ = 514450944.

The previous prime is 1030243139. The next prime is 1030243147. The reversal of 1030243142 is 2413420301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10302431422 = 2122801863276064328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030243147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333392 + ... + 336467.

It is an arithmetic number, because the mean of its divisors is an integer number (193422075).

Almost surely, 21030243142 is an apocalyptic number.

1030243142 is a deficient number, since it is larger than the sum of its proper divisors (517133458).

1030243142 is an equidigital number, since it uses as much as digits as its factorization.

1030243142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670630.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1030243142 is about 32097.4008605058. The cubic root of 1030243142 is about 1009.9810936565.

Adding to 1030243142 its reverse (2413420301), we get a palindrome (3443663443).

The spelling of 1030243142 in words is "one billion, thirty million, two hundred forty-three thousand, one hundred forty-two".

Divisors: 1 2 769 1538 669859 1339718 515121571 1030243142