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4978389340 = 225614080647
BaseRepresentation
bin1001010001011110…
…00011000101011100
3110211221201101022101
410220233003011130
540143431424330
62142000054444
7234240416431
oct45057030534
913757641271
104978389340
112125197661
12b6b304424
13614533312
14353277b88
151e20d84ca
hex128bc315c

4978389340 has 24 divisors (see below), whose sum is σ = 10626007392. Its totient is φ = 1958710080.

The previous prime is 4978389337. The next prime is 4978389343. The reversal of 4978389340 is 439838794.

It is an interprime number because it is at equal distance from previous prime (4978389337) and next prime (4978389343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978389343) 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, 2039104 + ... + 2041543.

It is an arithmetic number, because the mean of its divisors is an integer number (442750308).

Almost surely, 24978389340 is an apocalyptic number.

It is an amenable number.

4978389340 is an abundant number, since it is smaller than the sum of its proper divisors (5647618052).

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

4978389340 is a wasteful number, since it uses less digits than its factorization.

4978389340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080717 (or 4080715 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 55.

The square root of 4978389340 is about 70557.7022018149. The cubic root of 4978389340 is about 1707.5088082366.

The spelling of 4978389340 in words is "four billion, nine hundred seventy-eight million, three hundred eighty-nine thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 4080647 8161294 16322588 20403235 40806470 81612940 248919467 497838934 995677868 1244597335 2489194670 4978389340