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1030172304 = 24373065989
BaseRepresentation
bin111101011001110…
…010111010010000
32122210110011201210
4331121302322100
54102211003204
6250120100120
734346214540
oct7531627220
92583404653
101030172304
11489561777
12249004640
13135572715
149ab63320
1560691389
hex3d672e90

1030172304 has 40 divisors (see below), whose sum is σ = 3041462080. Its totient is φ = 294334848.

The previous prime is 1030172291. The next prime is 1030172309. The reversal of 1030172304 is 4032710301.

It is a super-2 number, since 2×10301723042 = 2122509951857336832, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1030172309) 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, 1532659 + ... + 1533330.

It is an arithmetic number, because the mean of its divisors is an integer number (76036552).

Almost surely, 21030172304 is an apocalyptic number.

1030172304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1030172304 is an abundant number, since it is smaller than the sum of its proper divisors (2011289776).

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

1030172304 is a wasteful number, since it uses less digits than its factorization.

1030172304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066007 (or 3066001 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1030172304 is about 32096.2973565488. The cubic root of 1030172304 is about 1009.9579448554.

Adding to 1030172304 its reverse (4032710301), we get a palindrome (5062882605).

The spelling of 1030172304 in words is "one billion, thirty million, one hundred seventy-two thousand, three hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 3065989 6131978 9197967 12263956 18395934 21461923 24527912 36791868 42923846 49055824 64385769 73583736 85847692 128771538 147167472 171695384 257543076 343390768 515086152 1030172304