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3989237360 = 245214323269
BaseRepresentation
bin1110110111000110…
…1110111001110000
3101022000110020212212
43231301232321300
531132221043420
61455503111252
7200566646423
oct35561567160
911260406785
103989237360
111767903089
12933ba2528
134b76239a4
1429bb519ba
1518534b3c5
hexedc6ee70

3989237360 has 40 divisors (see below), whose sum is σ = 9279703680. Its totient is φ = 1594881792.

The previous prime is 3989237353. The next prime is 3989237363. The reversal of 3989237360 is 637329893.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 3989237299 and 3989237308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989237363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159806 + ... + 183074.

It is an arithmetic number, because the mean of its divisors is an integer number (231992592).

Almost surely, 23989237360 is an apocalyptic number.

It is an amenable number.

3989237360 is an abundant number, since it is smaller than the sum of its proper divisors (5290466320).

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

3989237360 is a wasteful number, since it uses less digits than its factorization.

3989237360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25425 (or 25419 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 50.

The square root of 3989237360 is about 63160.4097516791. The cubic root of 3989237360 is about 1585.9760543034.

The spelling of 3989237360 in words is "three billion, nine hundred eighty-nine million, two hundred thirty-seven thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 2143 4286 8572 10715 17144 21430 23269 34288 42860 46538 85720 93076 116345 171440 186152 232690 372304 465380 930760 1861520 49865467 99730934 199461868 249327335 398923736 498654670 797847472 997309340 1994618680 3989237360