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130722060 = 22357547569
BaseRepresentation
bin1111100101010…
…10100100001100
3100002222100221210
413302222210030
5231431101220
620545454420
73145055610
oct762524414
9302870853
10130722060
1167875467
1237941410
132110c341
141350b340
15b7226e0
hex7caa90c

130722060 has 96 divisors (see below), whose sum is σ = 419811840. Its totient is φ = 29772288.

The previous prime is 130722047. The next prime is 130722077. The reversal of 130722060 is 60227031.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229456 + ... + 230024.

It is an arithmetic number, because the mean of its divisors is an integer number (4373040).

Almost surely, 2130722060 is an apocalyptic number.

130722060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130722060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209905920).

130722060 is an abundant number, since it is smaller than the sum of its proper divisors (289089780).

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

130722060 is a wasteful number, since it uses less digits than its factorization.

130722060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135 (or 1133 counting only the distinct ones).

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

The square root of 130722060 is about 11433.3748298567. The cubic root of 130722060 is about 507.5158706322.

Adding to 130722060 its reverse (60227031), we get a palindrome (190949091).

The spelling of 130722060 in words is "one hundred thirty million, seven hundred twenty-two thousand, sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 547 569 1094 1138 1641 1707 2188 2276 2735 2845 3282 3414 3829 3983 5470 5690 6564 6828 7658 7966 8205 8535 10940 11380 11487 11949 15316 15932 16410 17070 19145 19915 22974 23898 32820 34140 38290 39830 45948 47796 57435 59745 76580 79660 114870 119490 229740 238980 311243 622486 933729 1244972 1556215 1867458 2178701 3112430 3734916 4357402 4668645 6224860 6536103 8714804 9337290 10893505 13072206 18674580 21787010 26144412 32680515 43574020 65361030 130722060