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108143040 = 2635127887
BaseRepresentation
bin1100111001000…
…10000111000000
321112111020100210
412130202013000
5210141034130
614421514120
72452125555
oct634420700
9245436323
10108143040
1156053515
1230272940
1319535085
1410510a2c
1597625b0
hex67221c0

108143040 has 112 divisors (see below), whose sum is σ = 346447872. Its totient is φ = 28578816.

The previous prime is 108143039. The next prime is 108143051. The reversal of 108143040 is 40341801.

It is a junction number, because it is equal to n+sod(n) for n = 108142998 and 108143016.

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, 121477 + ... + 122363.

Almost surely, 2108143040 is an apocalyptic number.

108143040 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 108143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173223936).

108143040 is an abundant number, since it is smaller than the sum of its proper divisors (238304832).

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

108143040 is a wasteful number, since it uses less digits than its factorization.

108143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 108143040 is about 10399.1845834181. The cubic root of 108143040 is about 476.4304652910.

Adding to 108143040 its reverse (40341801), we get a palindrome (148484841).

The spelling of 108143040 in words is "one hundred eight million, one hundred forty-three thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 127 160 192 240 254 320 381 480 508 635 762 887 960 1016 1270 1524 1774 1905 2032 2540 2661 3048 3548 3810 4064 4435 5080 5322 6096 7096 7620 8128 8870 10160 10644 12192 13305 14192 15240 17740 20320 21288 24384 26610 28384 30480 35480 40640 42576 53220 56768 60960 70960 85152 106440 112649 121920 141920 170304 212880 225298 283840 337947 425760 450596 563245 675894 851520 901192 1126490 1351788 1689735 1802384 2252980 2703576 3379470 3604768 4505960 5407152 6758940 7209536 9011920 10814304 13517880 18023840 21628608 27035760 36047680 54071520 108143040