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1451031030 = 233539713537
BaseRepresentation
bin101011001111100…
…1111100111110110
310202010101000101000
41112133033213312
510432430443110
6355552344130
750646363111
oct12637174766
93663330330
101451031030
116850840a9
12345b45046
131a1808257
14da9d7578
15875c51c0
hex567cf9f6

1451031030 has 64 divisors (see below), whose sum is σ = 3879449280. Its totient is φ = 385938432.

The previous prime is 1451031019. The next prime is 1451031077. The reversal of 1451031030 is 301301541.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1451030994 and 1451031012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100422 + ... + 113958.

It is an arithmetic number, because the mean of its divisors is an integer number (60616395).

Almost surely, 21451031030 is an apocalyptic number.

1451031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1451031030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1939724640).

1451031030 is an abundant number, since it is smaller than the sum of its proper divisors (2428418250).

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

1451031030 is a wasteful number, since it uses less digits than its factorization.

1451031030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13950 (or 13944 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1451031030 is about 38092.4012107402. The cubic root of 1451031030 is about 1132.1194019523.

Adding to 1451031030 its reverse (301301541), we get a palindrome (1752332571).

The spelling of 1451031030 in words is "one billion, four hundred fifty-one million, thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 397 794 1191 1985 2382 3573 3970 5955 7146 10719 11910 13537 17865 21438 27074 35730 40611 53595 67685 81222 107190 121833 135370 203055 243666 365499 406110 609165 730998 1218330 1827495 3654990 5374189 10748378 16122567 26870945 32245134 48367701 53741890 80612835 96735402 145103103 161225670 241838505 290206206 483677010 725515515 1451031030