Search a number
-
+
57506304 = 293291291
BaseRepresentation
bin1101101101011…
…1101000000000
311000012121211010
43123113220000
5104210200204
65412320520
71265536602
oct333275000
9130177733
1057506304
112a508379
1217313140
13bbb5bcb
1478cd172
1550add89
hex36d7a00

57506304 has 80 divisors (see below), whose sum is σ = 158605920. Its totient is φ = 18493440.

The previous prime is 57506299. The next prime is 57506321. The reversal of 57506304 is 40360575.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43899 + ... + 45189.

It is an arithmetic number, because the mean of its divisors is an integer number (1982574).

Almost surely, 257506304 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 57506304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79302960).

57506304 is an abundant number, since it is smaller than the sum of its proper divisors (101099616).

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

57506304 is a wasteful number, since it uses less digits than its factorization.

57506304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1325 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 57506304 is about 7583.2911061095. The cubic root of 57506304 is about 385.9862362762.

Adding to 57506304 its reverse (40360575), we get a palindrome (97866879).

The spelling of 57506304 in words is "fifty-seven million, five hundred six thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 48 58 64 87 96 116 128 174 192 232 256 348 384 464 512 696 768 928 1291 1392 1536 1856 2582 2784 3712 3873 5164 5568 7424 7746 10328 11136 14848 15492 20656 22272 30984 37439 41312 44544 61968 74878 82624 112317 123936 149756 165248 224634 247872 299512 330496 449268 495744 599024 660992 898536 991488 1198048 1797072 1982976 2396096 3594144 4792192 7188288 9584384 14376576 19168768 28753152 57506304