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138114480 = 24357229359
BaseRepresentation
bin10000011101101…
…11010110110000
3100121212221110010
420032313112300
5240324130410
621412134520
73264645060
oct1016672660
9317787403
10138114480
1170a644a9
123a307440
13227ca05a
14144b33a0
15c1d2c20
hex83b75b0

138114480 has 160 divisors (see below), whose sum is σ = 492825600. Its totient is φ = 31343616.

The previous prime is 138114469. The next prime is 138114497. The reversal of 138114480 is 84411831.

138114480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 384541 + ... + 384899.

It is an arithmetic number, because the mean of its divisors is an integer number (3080160).

Almost surely, 2138114480 is an apocalyptic number.

138114480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138114480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246412800).

138114480 is an abundant number, since it is smaller than the sum of its proper divisors (354711120).

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

138114480 is a wasteful number, since it uses less digits than its factorization.

138114480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 138114480 is about 11752.2117067384. The cubic root of 138114480 is about 516.9077824764.

The spelling of 138114480 in words is "one hundred thirty-eight million, one hundred fourteen thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 229 240 280 336 359 420 458 560 687 718 840 916 1077 1145 1374 1436 1603 1680 1795 1832 2154 2290 2513 2748 2872 3206 3435 3590 3664 4308 4580 4809 5026 5385 5496 5744 6412 6870 7180 7539 8015 8616 9160 9618 10052 10770 10992 12565 12824 13740 14360 15078 16030 17232 18320 19236 20104 21540 24045 25130 25648 27480 28720 30156 32060 37695 38472 40208 43080 48090 50260 54960 60312 64120 75390 76944 82211 86160 96180 100520 120624 128240 150780 164422 192360 201040 246633 301560 328844 384720 411055 493266 575477 603120 657688 822110 986532 1150954 1233165 1315376 1644220 1726431 1973064 2301908 2466330 2877385 3288440 3452862 3946128 4603816 4932660 5754770 6576880 6905724 8632155 9207632 9865320 11509540 13811448 17264310 19730640 23019080 27622896 34528620 46038160 69057240 138114480