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48779872 = 2523191347
BaseRepresentation
bin1011101000010…
…1001001100000
310101210021101221
42322011021200
544441423442
64501304424
71131423241
oct272051140
9111707357
1048779872
1125598049
1214405114
13a14bc3b
14669acc8
154438467
hex2e85260

48779872 has 48 divisors (see below), whose sum is σ = 101025792. Its totient is φ = 23140480.

The previous prime is 48779867. The next prime is 48779879. The reversal of 48779872 is 27897784.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48779879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140403 + ... + 140749.

It is an arithmetic number, because the mean of its divisors is an integer number (2104704).

Almost surely, 248779872 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 48779872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50512896).

48779872 is an abundant number, since it is smaller than the sum of its proper divisors (52245920).

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

48779872 is a wasteful number, since it uses less digits than its factorization.

48779872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 563 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 52.

The square root of 48779872 is about 6984.2588726364. The cubic root of 48779872 is about 365.3817785520.

The spelling of 48779872 in words is "forty-eight million, seven hundred seventy-nine thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 23 32 46 92 184 191 347 368 382 694 736 764 1388 1528 2776 3056 4393 5552 6112 7981 8786 11104 15962 17572 31924 35144 63848 66277 70288 127696 132554 140576 255392 265108 530216 1060432 1524371 2120864 3048742 6097484 12194968 24389936 48779872