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253441368 = 233231271419
BaseRepresentation
bin11110001101100…
…11010101011000
3122122220011012100
433012303111120
51004340110433
641052043400
76165134055
oct1706632530
9578804170
10253441368
11120074284
1270a63560
1340678c0b
142593402c
15173b3b13
hexf1b3558

253441368 has 96 divisors (see below), whose sum is σ = 712857600. Its totient is φ = 81259200.

The previous prime is 253441351. The next prime is 253441373. The reversal of 253441368 is 863144352.

253441368 is a `hidden beast` number, since 253 + 4 + 41 + 368 = 666.

It is a super-2 number, since 2×2534413682 = 128465054027422848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent 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, 604663 + ... + 605081.

It is an arithmetic number, because the mean of its divisors is an integer number (7425600).

Almost surely, 2253441368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253441368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356428800).

253441368 is an abundant number, since it is smaller than the sum of its proper divisors (459416232).

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

253441368 is a wasteful number, since it uses less digits than its factorization.

253441368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 726 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 253441368 is about 15919.8419590145. The cubic root of 253441368 is about 632.8379301020.

The spelling of 253441368 in words is "two hundred fifty-three million, four hundred forty-one thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 186 248 271 279 372 419 542 558 744 813 838 1084 1116 1257 1626 1676 2168 2232 2439 2514 3252 3352 3771 4878 5028 6504 7542 8401 9756 10056 12989 15084 16802 19512 25203 25978 30168 33604 38967 50406 51956 67208 75609 77934 100812 103912 113549 116901 151218 155868 201624 227098 233802 302436 311736 340647 454196 467604 604872 681294 908392 935208 1021941 1362588 2043882 2725176 3520019 4087764 7040038 8175528 10560057 14080076 21120114 28160152 31680171 42240228 63360342 84480456 126720684 253441368