Search a number
-
+
248387328 = 2832715401
BaseRepresentation
bin11101100111000…
…01011100000000
3122022101101100200
432303201130000
51002041343303
640351445200
76104154210
oct1663413400
9568341320
10248387328
11118232092
126b226800
133c5c9667
1424dba240
1516c163a3
hexece1700

248387328 has 108 divisors (see below), whose sum is σ = 818523888. Its totient is φ = 70963200.

The previous prime is 248387311. The next prime is 248387329. The reversal of 248387328 is 823783842.

248387328 is a `hidden beast` number, since 248 + 3 + 87 + 328 = 666.

It is a super-3 number, since 3×2483873283 (a number of 26 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248387329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8428 + ... + 23828.

Almost surely, 2248387328 is an apocalyptic number.

248387328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 248387328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409261944).

248387328 is an abundant number, since it is smaller than the sum of its proper divisors (570136560).

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

248387328 is a wasteful number, since it uses less digits than its factorization.

248387328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15430 (or 15413 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 248387328 is about 15760.3086264197. The cubic root of 248387328 is about 628.6030422510.

The spelling of 248387328 in words is "two hundred forty-eight million, three hundred eighty-seven thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 256 288 336 384 448 504 576 672 768 896 1008 1152 1344 1792 2016 2304 2688 4032 5376 8064 15401 16128 30802 46203 61604 92406 107807 123208 138609 184812 215614 246416 277218 323421 369624 431228 492832 554436 646842 739248 862456 970263 985664 1108872 1293684 1478496 1724912 1940526 1971328 2217744 2587368 2956992 3449824 3881052 3942656 4435488 5174736 5913984 6899648 7762104 8870976 10349472 11827968 13799296 15524208 17741952 20698944 27598592 31048416 35483904 41397888 62096832 82795776 124193664 248387328