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1030001172 = 2231917326113
BaseRepresentation
bin111101011001001…
…001001000010100
32122210010110222120
4331121021020110
54102140014142
6250112255540
734344602604
oct7531111024
92583113876
101030001172
11489455142
12248b415b0
13135512865
149ab1ac04
156065a7ec
hex3d649214

1030001172 has 48 divisors (see below), whose sum is σ = 2544548160. Its totient is φ = 323371008.

The previous prime is 1030001171. The next prime is 1030001237. The reversal of 1030001172 is 2711000301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030001171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26388 + ... + 52500.

It is an arithmetic number, because the mean of its divisors is an integer number (53011420).

Almost surely, 21030001172 is an apocalyptic number.

1030001172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030001172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1272274080).

1030001172 is an abundant number, since it is smaller than the sum of its proper divisors (1514546988).

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

1030001172 is a wasteful number, since it uses less digits than its factorization.

1030001172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26312 (or 26310 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 1030001172 is about 32093.6313308419. The cubic root of 1030001172 is about 1009.9020170934.

Adding to 1030001172 its reverse (2711000301), we get a palindrome (3741001473).

The spelling of 1030001172 in words is "one billion, thirty million, one thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 173 228 346 519 692 1038 2076 3287 6574 9861 13148 19722 26113 39444 52226 78339 104452 156678 313356 496147 992294 1488441 1984588 2976882 4517549 5953764 9035098 13552647 18070196 27105294 54210588 85833431 171666862 257500293 343333724 515000586 1030001172