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76015030 = 25713103811
BaseRepresentation
bin1001000011111…
…10010110110110
312022000222000111
410201332112312
5123424440110
611313133234
71612055110
oct441762666
9168028014
1076015030
11399aa243
122155a21a
1312996610
14a14a3b0
156a17e8a
hex487e5b6

76015030 has 64 divisors (see below), whose sum is σ = 170247168. Its totient is φ = 23794560.

The previous prime is 76015021. The next prime is 76015031. The reversal of 76015030 is 3051067.

It is a junction number, because it is equal to n+sod(n) for n = 76014992 and 76015010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76015031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93325 + ... + 94135.

It is an arithmetic number, because the mean of its divisors is an integer number (2660112).

Almost surely, 276015030 is an apocalyptic number.

76015030 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

76015030 is an abundant number, since it is smaller than the sum of its proper divisors (94232138).

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

76015030 is a wasteful number, since it uses less digits than its factorization.

76015030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 76015030 is about 8718.6598740862. The cubic root of 76015030 is about 423.6102795799.

Adding to 76015030 its reverse (3051067), we get a palindrome (79066097).

The spelling of 76015030 in words is "seventy-six million, fifteen thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 103 130 182 206 455 515 721 811 910 1030 1339 1442 1622 2678 3605 4055 5677 6695 7210 8110 9373 10543 11354 13390 18746 21086 28385 46865 52715 56770 73801 83533 93730 105430 147602 167066 369005 417665 584731 738010 835330 1085929 1169462 2171858 2923655 5429645 5847310 7601503 10859290 15203006 38007515 76015030