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52070382 = 23271383383
BaseRepresentation
bin1100011010100…
…0011111101110
310121222110010200
43012220133232
5101312223012
65100014330
71201406460
oct306503756
9117873120
1052070382
1127435281
12155313a6
13aa318a0
146cb6130
1548883dc
hex31a87ee

52070382 has 96 divisors (see below), whose sum is σ = 140894208. Its totient is φ = 13531968.

The previous prime is 52070357. The next prime is 52070383. The reversal of 52070382 is 28307025.

It is a super-2 number, since 2×520703822 = 5422649363251848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52070383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135763 + ... + 136145.

It is an arithmetic number, because the mean of its divisors is an integer number (1467648).

Almost surely, 252070382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52070382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70447104).

52070382 is an abundant number, since it is smaller than the sum of its proper divisors (88823826).

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

52070382 is a wasteful number, since it uses less digits than its factorization.

52070382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 52070382 is about 7215.9810143874. The cubic root of 52070382 is about 373.4194382247.

The spelling of 52070382 in words is "fifty-two million, seventy thousand, three hundred eighty-two".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 83 91 117 126 166 182 234 249 273 383 498 546 581 747 766 819 1079 1149 1162 1494 1638 1743 2158 2298 2681 3237 3447 3486 4979 5229 5362 6474 6894 7553 8043 9711 9958 10458 14937 15106 16086 19422 22659 24129 29874 31789 34853 44811 45318 48258 63578 67977 69706 89622 95367 104559 135954 190734 209118 222523 286101 313677 413257 445046 572202 627354 667569 826514 1239771 1335138 2002707 2479542 2892799 3719313 4005414 5785598 7438626 8678397 17356794 26035191 52070382