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2539898984 = 23764277057
BaseRepresentation
bin1001011101100011…
…1100100001101000
320120000021020101202
42113120330201220
520200203231414
61100010503332
7116640533210
oct22730744150
96500236352
102539898984
111093785777
125aa734b48
1331628c00c
141a1479240
15eceac9de
hex9763c868

2539898984 has 32 divisors (see below), whose sum is σ = 5444258880. Its totient is φ = 1088204544.

The previous prime is 2539898983. The next prime is 2539899023. The reversal of 2539898984 is 4898989352.

It is a self number, because there is not a number n which added to its sum of digits gives 2539898984.

It is not an unprimeable number, because it can be changed into a prime (2539898983) 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, 356384 + ... + 363440.

It is an arithmetic number, because the mean of its divisors is an integer number (170133090).

Almost surely, 22539898984 is an apocalyptic number.

It is an amenable number.

2539898984 is an abundant number, since it is smaller than the sum of its proper divisors (2904359896).

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

2539898984 is a wasteful number, since it uses less digits than its factorization.

2539898984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13497 (or 13493 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 65.

The square root of 2539898984 is about 50397.4104890321. The cubic root of 2539898984 is about 1364.3909019718.

The spelling of 2539898984 in words is "two billion, five hundred thirty-nine million, eight hundred ninety-eight thousand, nine hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 56 6427 7057 12854 14114 25708 28228 44989 49399 51416 56456 89978 98798 179956 197596 359912 395192 45355339 90710678 181421356 317487373 362842712 634974746 1269949492 2539898984