Search a number
-
+
361538628 = 223115095381
BaseRepresentation
bin10101100011001…
…010010001000100
3221012022001202120
4111203022101010
51220023214003
655513005540
711650012323
oct2543122104
9835261676
10361538628
11176096360
12a10b38b0
1359b961a9
14360320ba
1521b17853
hex158ca444

361538628 has 48 divisors (see below), whose sum is σ = 922259520. Its totient is φ = 109321600.

The previous prime is 361538627. The next prime is 361538629. The reversal of 361538628 is 826835163.

It is an interprime number because it is at equal distance from previous prime (361538627) and next prime (361538629).

It is a super-2 number, since 2×3615386282 = 261420359072244768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 361538628.

It is not an unprimeable number, because it can be changed into a prime (361538627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64498 + ... + 69878.

It is an arithmetic number, because the mean of its divisors is an integer number (19213740).

Almost surely, 2361538628 is an apocalyptic number.

It is an amenable number.

361538628 is an abundant number, since it is smaller than the sum of its proper divisors (560720892).

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

361538628 is a wasteful number, since it uses less digits than its factorization.

361538628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908 (or 5906 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 361538628 is about 19014.1691377772. The cubic root of 361538628 is about 712.3906900329.

The spelling of 361538628 in words is "three hundred sixty-one million, five hundred thirty-eight thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 509 1018 1527 2036 3054 5381 5599 6108 10762 11198 16143 16797 21524 22396 32286 33594 59191 64572 67188 118382 177573 236764 355146 710292 2738929 5477858 8216787 10955716 16433574 30128219 32867148 60256438 90384657 120512876 180769314 361538628