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76634130 = 2351728839
BaseRepresentation
bin1001001000101…
…01100000010010
312100012102021010
410210111200102
5124104243010
611334311350
71620244056
oct444254022
9170172233
1076634130
113a2923a1
12217b8556
1312b52351
14a26bc66
156adb620
hex4915812

76634130 has 48 divisors (see below), whose sum is σ = 195399360. Its totient is φ = 19231488.

The previous prime is 76634123. The next prime is 76634189. The reversal of 76634130 is 3143667.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4251 + ... + 13089.

It is an arithmetic number, because the mean of its divisors is an integer number (4070820).

Almost surely, 276634130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76634130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97699680).

76634130 is an abundant number, since it is smaller than the sum of its proper divisors (118765230).

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

76634130 is a wasteful number, since it uses less digits than its factorization.

76634130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8883 (or 8866 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 76634130 is about 8754.0921859437. The cubic root of 76634130 is about 424.7571946434.

Adding to 76634130 its reverse (3143667), we get a palindrome (79777797).

The spelling of 76634130 in words is "seventy-six million, six hundred thirty-four thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 289 510 578 867 1445 1734 2890 4335 8670 8839 17678 26517 44195 53034 88390 132585 150263 265170 300526 450789 751315 901578 1502630 2253945 2554471 4507890 5108942 7663413 12772355 15326826 25544710 38317065 76634130