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1030420403 = 6767722717
BaseRepresentation
bin111101011010101…
…111011110110011
32122210220210001122
4331122233132303
54102241423103
6250125252455
734351300055
oct7532573663
92583823048
101030420403
11489711111
1224910412b
1313562b61c
149abc98d5
15606deb38
hex3d6af7b3

1030420403 has 8 divisors (see below), whose sum is σ = 1047390672. Its totient is φ = 1013497056.

The previous prime is 1030420397. The next prime is 1030420409. The reversal of 1030420403 is 3040240301.

It is an interprime number because it is at equal distance from previous prime (1030420397) and next prime (1030420409).

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

It is a cyclic number.

It is not a de Polignac number, because 1030420403 - 216 = 1030354867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030420409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34001 + ... + 56717.

It is an arithmetic number, because the mean of its divisors is an integer number (130923834).

Almost surely, 21030420403 is an apocalyptic number.

1030420403 is a deficient number, since it is larger than the sum of its proper divisors (16970269).

1030420403 is an equidigital number, since it uses as much as digits as its factorization.

1030420403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23461.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1030420403 is about 32100.1620400895. The cubic root of 1030420403 is about 1010.0390152559.

Adding to 1030420403 its reverse (3040240301), we get a palindrome (4070660704).

The spelling of 1030420403 in words is "one billion, thirty million, four hundred twenty thousand, four hundred three".

Divisors: 1 67 677 22717 45359 1522039 15379409 1030420403