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2988449530 = 251122469793
BaseRepresentation
bin1011001000100000…
…0001111011111010
321201021021222001221
42302020001323322
522110020341110
61212312502254
7134025254563
oct26210017372
97637258057
102988449530
1112a39a1400
126b49aa98a
1338819c041
14204c7b16a
151275617da
hexb2201efa

2988449530 has 24 divisors (see below), whose sum is σ = 5912686836. Its totient is φ = 1086708480.

The previous prime is 2988449483. The next prime is 2988449549. The reversal of 2988449530 is 359448892.

It can be written as a sum of positive squares in 2 ways, for example, as 2519337249 + 469112281 = 50193^2 + 21659^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1233687 + ... + 1236106.

Almost surely, 22988449530 is an apocalyptic number.

2988449530 is a deficient number, since it is larger than the sum of its proper divisors (2924237306).

2988449530 is a wasteful number, since it uses less digits than its factorization.

2988449530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469822 (or 2469811 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The square root of 2988449530 is about 54666.7131808745. The cubic root of 2988449530 is about 1440.3962274489.

The spelling of 2988449530 in words is "two billion, nine hundred eighty-eight million, four hundred forty-nine thousand, five hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 121 242 605 1210 2469793 4939586 12348965 24697930 27167723 54335446 135838615 271677230 298844953 597689906 1494224765 2988449530