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1030123444 = 227290912647
BaseRepresentation
bin111101011001100…
…110111110110100
32122210100200201011
4331121212332310
54102202422234
6250115042004
734345622230
oct7531467664
92583320634
101030123444
11489528a99
12248ba0304
131355563cc
149ab4d5c0
1560681b64
hex3d666fb4

1030123444 has 24 divisors (see below), whose sum is σ = 2061118080. Its totient is φ = 441294816.

The previous prime is 1030123439. The next prime is 1030123453. The reversal of 1030123444 is 4443210301.

It is a super-2 number, since 2×10301234442 = 2122308619756842272, which contains 22 as substring.

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, 75129 + ... + 87775.

It is an arithmetic number, because the mean of its divisors is an integer number (85879920).

Almost surely, 21030123444 is an apocalyptic number.

1030123444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1030123444 is an abundant number, since it is smaller than the sum of its proper divisors (1030994636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1030123444 is a wasteful number, since it uses less digits than its factorization.

1030123444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15567 (or 15565 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1030123444 is about 32095.5362005373. The cubic root of 1030123444 is about 1009.9419775183.

Adding to 1030123444 its reverse (4443210301), we get a palindrome (5473333745).

The spelling of 1030123444 in words is "one billion, thirty million, one hundred twenty-three thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 2909 5818 11636 12647 20363 25294 40726 50588 81452 88529 177058 354116 36790123 73580246 147160492 257530861 515061722 1030123444