Search a number
-
+
48643868 = 227213171123
BaseRepresentation
bin1011100110001…
…1111100011100
310101112100211202
42321203330130
544423100433
64454335032
71130315600
oct271437434
9111470752
1048643868
1125504949
121435a478
13a102070
146663500
15440cee8
hex2e63f1c

48643868 has 72 divisors (see below), whose sum is σ = 113015952. Its totient is φ = 18095616.

The previous prime is 48643849. The next prime is 48643871. The reversal of 48643868 is 86834684.

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, 42755 + ... + 43877.

It is an arithmetic number, because the mean of its divisors is an integer number (1569666).

Almost surely, 248643868 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 48643868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56507976).

48643868 is an abundant number, since it is smaller than the sum of its proper divisors (64372084).

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

48643868 is a wasteful number, since it uses less digits than its factorization.

48643868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1162 counting only the distinct ones).

The product of its digits is 884736, while the sum is 47.

The square root of 48643868 is about 6974.5156104206. The cubic root of 48643868 is about 365.0418867298.

The spelling of 48643868 in words is "forty-eight million, six hundred forty-three thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 13 14 17 26 28 34 49 52 68 91 98 119 182 196 221 238 364 442 476 637 833 884 1123 1274 1547 1666 2246 2548 3094 3332 4492 6188 7861 10829 14599 15722 19091 21658 29198 31444 38182 43316 55027 58396 76364 102193 110054 133637 204386 220108 248183 267274 408772 496366 534548 715351 935459 992732 1430702 1737281 1870918 2861404 3474562 3741836 6949124 12160967 24321934 48643868