Search a number
-
+
83113184 = 2571189379
BaseRepresentation
bin1001111010000…
…11010011100000
312210101120212002
410331003103200
5132234110214
612125223132
72026310330
oct475032340
9183346762
1083113184
1142a08190
1223a01aa8
13142b03cb
14b0770c0
15746b1de
hex4f434e0

83113184 has 96 divisors (see below), whose sum is σ = 206841600. Its totient is φ = 31933440.

The previous prime is 83113183. The next prime is 83113193. The reversal of 83113184 is 48131138.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83113181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219107 + ... + 219485.

It is an arithmetic number, because the mean of its divisors is an integer number (2154600).

Almost surely, 283113184 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 83113184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103420800).

83113184 is an abundant number, since it is smaller than the sum of its proper divisors (123728416).

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

83113184 is a wasteful number, since it uses less digits than its factorization.

83113184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 488 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 83113184 is about 9116.6432418956. The cubic root of 83113184 is about 436.4052568466.

The spelling of 83113184 in words is "eighty-three million, one hundred thirteen thousand, one hundred eighty-four".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 77 88 89 112 154 176 178 224 308 352 356 379 616 623 712 758 979 1232 1246 1424 1516 1958 2464 2492 2653 2848 3032 3916 4169 4984 5306 6064 6853 7832 8338 9968 10612 12128 13706 15664 16676 19936 21224 27412 29183 31328 33352 33731 42448 54824 58366 66704 67462 84896 109648 116732 133408 134924 219296 233464 236117 269848 371041 466928 472234 539696 742082 933856 944468 1079392 1484164 1888936 2597287 2968328 3777872 5194574 5936656 7555744 10389148 11873312 20778296 41556592 83113184