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1500075030 = 235472933631
BaseRepresentation
bin101100101101001…
…0101010000010110
310212112122201002110
41121122111100112
511033004400110
6404503451450
752113266406
oct13132252026
93775581073
101500075030
116aa831633
1235a456b86
131aba1a47c
14103322806
158ba61a20
hex59695416

1500075030 has 64 divisors (see below), whose sum is σ = 3690344448. Its totient is φ = 390065280.

The previous prime is 1500075013. The next prime is 1500075043. The reversal of 1500075030 is 305700051.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1500074988 and 1500075006.

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, 411315 + ... + 414945.

It is an arithmetic number, because the mean of its divisors is an integer number (57661632).

Almost surely, 21500075030 is an apocalyptic number.

1500075030 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 1500075030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1845172224).

1500075030 is an abundant number, since it is smaller than the sum of its proper divisors (2190269418).

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

1500075030 is a wasteful number, since it uses less digits than its factorization.

1500075030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 1500075030 is about 38730.8020830966. The cubic root of 1500075030 is about 1144.7333284372.

Adding to 1500075030 its reverse (305700051), we get a palindrome (1805775081).

The spelling of 1500075030 in words is "one billion, five hundred million, seventy-five thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 293 470 586 705 879 1410 1465 1758 2930 3631 4395 7262 8790 10893 13771 18155 21786 27542 36310 41313 54465 68855 82626 108930 137710 170657 206565 341314 413130 511971 853285 1023942 1063883 1706570 2127766 2559855 3191649 5119710 5319415 6383298 10638830 15958245 31916490 50002501 100005002 150007503 250012505 300015006 500025010 750037515 1500075030