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2748155384 = 2313110323957
BaseRepresentation
bin1010001111001101…
…1000010111111000
321002112010202110202
42203303120113320
521112011433014
61132410301332
7125046635552
oct24363302770
97075122422
102748155384
1111902978a7
12648427848
1334a477360
141c0daa4d2
151113e83de
hexa3cd85f8

2748155384 has 32 divisors (see below), whose sum is σ = 5554422720. Its totient is φ = 1267176576.

The previous prime is 2748155381. The next prime is 2748155401. The reversal of 2748155384 is 4835518472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748155381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102734 + ... + 126690.

It is an arithmetic number, because the mean of its divisors is an integer number (173575710).

Almost surely, 22748155384 is an apocalyptic number.

It is an amenable number.

2748155384 is an abundant number, since it is smaller than the sum of its proper divisors (2806267336).

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

2748155384 is a wasteful number, since it uses less digits than its factorization.

2748155384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25079 (or 25075 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 47.

The square root of 2748155384 is about 52422.8517347158. The cubic root of 2748155384 is about 1400.7063415290.

The spelling of 2748155384 in words is "two billion, seven hundred forty-eight million, one hundred fifty-five thousand, three hundred eighty-four".

Divisors: 1 2 4 8 13 26 52 104 1103 2206 4412 8824 14339 23957 28678 47914 57356 95828 114712 191656 311441 622882 1245764 2491528 26424571 52849142 105698284 211396568 343519423 687038846 1374077692 2748155384