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38985560 = 2354789233
BaseRepresentation
bin1001010010110…
…1111101011000
32201100200010122
42110231331120
534440014220
63511332412
7652241345
oct224557530
981320118
1038985560
1120008479
1211081108
1380ccba3
14526b7cc
153651425
hex252df58

38985560 has 64 divisors (see below), whose sum is σ = 90979200. Its totient is φ = 15026176.

The previous prime is 38985559. The next prime is 38985593. The reversal of 38985560 is 6558983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167204 + ... + 167436.

It is an arithmetic number, because the mean of its divisors is an integer number (1421550).

Almost surely, 238985560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38985560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45489600).

38985560 is an abundant number, since it is smaller than the sum of its proper divisors (51993640).

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

38985560 is a wasteful number, since it uses less digits than its factorization.

38985560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 38985560 is about 6243.8417660924. The cubic root of 38985560 is about 339.0792852089.

The spelling of 38985560 in words is "thirty-eight million, nine hundred eighty-five thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 47 89 94 178 188 233 235 356 376 445 466 470 712 890 932 940 1165 1780 1864 1880 2330 3560 4183 4660 8366 9320 10951 16732 20737 20915 21902 33464 41474 41830 43804 54755 82948 83660 87608 103685 109510 165896 167320 207370 219020 414740 438040 829480 974639 1949278 3898556 4873195 7797112 9746390 19492780 38985560