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108223140 = 22354738377
BaseRepresentation
bin1100111001101…
…01101010100100
321112122022020110
412130311222210
5210201120030
614423333020
72452611234
oct634655244
9245568213
10108223140
11560a8713
12302b1170
131956267c
1410531cc4
15977b1b0
hex6735aa4

108223140 has 48 divisors (see below), whose sum is σ = 309480192. Its totient is φ = 28244736.

The previous prime is 108223133. The next prime is 108223163. The reversal of 108223140 is 41322801.

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, 16369 + ... + 22008.

It is an arithmetic number, because the mean of its divisors is an integer number (6447504).

Almost surely, 2108223140 is an apocalyptic number.

108223140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108223140 is an abundant number, since it is smaller than the sum of its proper divisors (201257052).

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

108223140 is a wasteful number, since it uses less digits than its factorization.

108223140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38436 (or 38434 counting only the distinct ones).

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

The square root of 108223140 is about 10403.0351340366. The cubic root of 108223140 is about 476.5480646671.

Adding to 108223140 its reverse (41322801), we get a palindrome (149545941).

The spelling of 108223140 in words is "one hundred eight million, two hundred twenty-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 940 1410 2820 38377 76754 115131 153508 191885 230262 383770 460524 575655 767540 1151310 1803719 2302620 3607438 5411157 7214876 9018595 10822314 18037190 21644628 27055785 36074380 54111570 108223140