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140481900 = 2232521312007
BaseRepresentation
bin10000101111110…
…01010101101100
3100210100012221100
420113321111230
5241430410100
621535003100
73324035136
oct1027712554
9323305840
10140481900
1172331149
123b069490
13231487b0
141492c056
15c4ee400
hex85f956c

140481900 has 108 divisors (see below), whose sum is σ = 474243952. Its totient is φ = 34577280.

The previous prime is 140481889. The next prime is 140481917. The reversal of 140481900 is 9184041.

It is a super-2 number, since 2×1404819002 = 39470328455220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5697 + ... + 17703.

Almost surely, 2140481900 is an apocalyptic number.

140481900 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 140481900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237121976).

140481900 is an abundant number, since it is smaller than the sum of its proper divisors (333762052).

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

140481900 is a wasteful number, since it uses less digits than its factorization.

140481900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12040 (or 12030 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 140481900 is about 11852.5060641199. The cubic root of 140481900 is about 519.8445047891.

The spelling of 140481900 in words is "one hundred forty million, four hundred eighty-one thousand, nine hundred".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 25 26 30 36 39 45 50 52 60 65 75 78 90 100 117 130 150 156 180 195 225 234 260 300 325 390 450 468 585 650 780 900 975 1170 1300 1950 2340 2925 3900 5850 11700 12007 24014 36021 48028 60035 72042 108063 120070 144084 156091 180105 216126 240140 300175 312182 360210 432252 468273 540315 600350 624364 720420 780455 900525 936546 1080630 1200700 1404819 1560910 1801050 1873092 2161260 2341365 2701575 2809638 3121820 3602100 3902275 4682730 5403150 5619276 7024095 7804550 9365460 10806300 11706825 14048190 15609100 23413650 28096380 35120475 46827300 70240950 140481900