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1030020442 = 21146819111
BaseRepresentation
bin111101011001001…
…101110101011010
32122210011110102021
4331121031311122
54102141123232
6250112525054
734345013023
oct7531156532
92583143367
101030020442
11489468670
12248b5078a
1313551b569
149ab23c4a
1560661397
hex3d64dd5a

1030020442 has 8 divisors (see below), whose sum is σ = 1685488032. Its totient is φ = 468191100.

The previous prime is 1030020427. The next prime is 1030020469. The reversal of 1030020442 is 2440200301.

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

It is a super-2 number, since 2×10300204422 = 2121884221875750728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23409534 + ... + 23409577.

It is an arithmetic number, because the mean of its divisors is an integer number (210686004).

Almost surely, 21030020442 is an apocalyptic number.

1030020442 is a deficient number, since it is larger than the sum of its proper divisors (655467590).

1030020442 is a wasteful number, since it uses less digits than its factorization.

1030020442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46819124.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1030020442 is about 32093.9315447640. The cubic root of 1030020442 is about 1009.9083150443.

Adding to 1030020442 its reverse (2440200301), we get a palindrome (3470220743).

The spelling of 1030020442 in words is "one billion, thirty million, twenty thousand, four hundred forty-two".

Divisors: 1 2 11 22 46819111 93638222 515010221 1030020442