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3988253560 = 235228743597
BaseRepresentation
bin1110110110110111…
…1110101101111000
3101021221121021100211
43231231332231320
531131443103220
61455430040504
7200555411254
oct35555765570
911257537324
103988253560
1117672a0a25
129337a9134
134b736ac65
1429b977264
15185204b5a
hexedb7eb78

3988253560 has 32 divisors (see below), whose sum is σ = 8977700160. Its totient is φ = 1594567296.

The previous prime is 3988253543. The next prime is 3988253561. The reversal of 3988253560 is 653528893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988253561) 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, 69682 + ... + 113278.

It is an arithmetic number, because the mean of its divisors is an integer number (280553130).

Almost surely, 23988253560 is an apocalyptic number.

It is an amenable number.

3988253560 is an abundant number, since it is smaller than the sum of its proper divisors (4989446600).

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

3988253560 is a wasteful number, since it uses less digits than its factorization.

3988253560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45895 (or 45891 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The square root of 3988253560 is about 63152.6211649208. The cubic root of 3988253560 is about 1585.8456691879.

The spelling of 3988253560 in words is "three billion, nine hundred eighty-eight million, two hundred fifty-three thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 2287 4574 9148 11435 18296 22870 43597 45740 87194 91480 174388 217985 348776 435970 871940 1743880 99706339 199412678 398825356 498531695 797650712 997063390 1994126780 3988253560