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1030421343 = 3727009669
BaseRepresentation
bin111101011010101…
…111101101011111
32122210220211100110
4331122233231133
54102241440333
6250125301103
734351302600
oct7532575537
92583824313
101030421343
11489711896
12249104793
1313562bb93
149abc9da7
15606e0063
hex3d6afb5f

1030421343 has 12 divisors (see below), whose sum is σ = 1598204760. Its totient is φ = 588812112.

The previous prime is 1030421311. The next prime is 1030421351. The reversal of 1030421343 is 3431240301.

It is not a de Polignac number, because 1030421343 - 25 = 1030421311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030421303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3504688 + ... + 3504981.

It is an arithmetic number, because the mean of its divisors is an integer number (133183730).

Almost surely, 21030421343 is an apocalyptic number.

1030421343 is a deficient number, since it is larger than the sum of its proper divisors (567783417).

1030421343 is an equidigital number, since it uses as much as digits as its factorization.

1030421343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7009686 (or 7009679 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1030421343 is about 32100.1766817568. The cubic root of 1030421343 is about 1010.0393223915.

Adding to 1030421343 its reverse (3431240301), we get a palindrome (4461661644).

The spelling of 1030421343 in words is "one billion, thirty million, four hundred twenty-one thousand, three hundred forty-three".

Divisors: 1 3 7 21 49 147 7009669 21029007 49067683 147203049 343473781 1030421343