Search a number
-
+
60222690 = 236511751
BaseRepresentation
bin1110010110111…
…0110011100010
311012022122000000
43211232303202
5110404111230
65550440430
71330612233
oct345566342
9135278000
1060222690
1130aa3220
1218203116
13c627438
147dd908a
155448b60
hex396ece2

60222690 has 112 divisors (see below), whose sum is σ = 177538176. Its totient is φ = 14580000.

The previous prime is 60222641. The next prime is 60222691. The reversal of 60222690 is 9622206.

It is a super-2 number, since 2×602226902 = 7253544781672200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (60222691) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 79815 + ... + 80565.

Almost surely, 260222690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60222690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88769088).

60222690 is an abundant number, since it is smaller than the sum of its proper divisors (117315486).

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

60222690 is a wasteful number, since it uses less digits than its factorization.

60222690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 60222690 is about 7760.3279569874. The cubic root of 60222690 is about 391.9705005220.

Adding to 60222690 its reverse (9622206), we get a palindrome (69844896).

The spelling of 60222690 in words is "sixty million, two hundred twenty-two thousand, six hundred ninety".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 81 90 99 110 135 162 165 198 243 270 297 330 405 486 495 594 729 751 810 891 990 1215 1458 1485 1502 1782 2253 2430 2673 2970 3645 3755 4455 4506 5346 6759 7290 7510 8019 8261 8910 11265 13365 13518 16038 16522 20277 22530 24783 26730 33795 40095 40554 41305 49566 60831 67590 74349 80190 82610 101385 121662 123915 148698 182493 202770 223047 247830 304155 364986 371745 446094 547479 608310 669141 743490 912465 1094958 1115235 1338282 1824930 2007423 2230470 2737395 3345705 4014846 5474790 6022269 6691410 10037115 12044538 20074230 30111345 60222690