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2868174880 = 25537484489
BaseRepresentation
bin1010101011110100…
…1110000000100000
321101212222101021021
42222331032000200
521333223044010
61152334535224
7131035040614
oct25275160040
97355871237
102868174880
11124201226a
12680667514
133692aa0cc
141d2ccd344
1511bc048da
hexaaf4e020

2868174880 has 48 divisors (see below), whose sum is σ = 6959214360. Its totient is φ = 1116260352.

The previous prime is 2868174877. The next prime is 2868174889. The reversal of 2868174880 is 884718682.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2861394064 + 6780816 = 53492^2 + 2604^2 .

It is not an unprimeable number, because it can be changed into a prime (2868174889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236325 + ... + 248164.

Almost surely, 22868174880 is an apocalyptic number.

2868174880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2868174880 is an abundant number, since it is smaller than the sum of its proper divisors (4091039480).

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

2868174880 is a wasteful number, since it uses less digits than its factorization.

2868174880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484541 (or 484533 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 52.

The square root of 2868174880 is about 53555.3440844142. The cubic root of 2868174880 is about 1420.8073964205.

The spelling of 2868174880 in words is "two billion, eight hundred sixty-eight million, one hundred seventy-four thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 37 40 74 80 148 160 185 296 370 592 740 1184 1480 2960 5920 484489 968978 1937956 2422445 3875912 4844890 7751824 9689780 15503648 17926093 19379560 35852186 38759120 71704372 77518240 89630465 143408744 179260930 286817488 358521860 573634976 717043720 1434087440 2868174880