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108908228 = 221121319911
BaseRepresentation
bin1100111110111…
…00111011000100
321120221010000002
412133130323010
5210340030403
614450140432
72461463462
oct637347304
9246833002
10108908228
1156526400
1230581718
1319742450
141066d832
159864188
hex67dcec4

108908228 has 72 divisors (see below), whose sum is σ = 237740160. Its totient is φ = 43243200.

The previous prime is 108908227. The next prime is 108908251. The reversal of 108908228 is 822809801.

It is a super-2 number, since 2×1089082282 = 23722004252199968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 108908191 and 108908200.

It is not an unprimeable number, because it can be changed into a prime (108908221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119093 + ... + 120003.

Almost surely, 2108908228 is an apocalyptic number.

It is an amenable number.

108908228 is an abundant number, since it is smaller than the sum of its proper divisors (128831932).

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

108908228 is a wasteful number, since it uses less digits than its factorization.

108908228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 108908228 is about 10435.9105017243. The cubic root of 108908228 is about 477.5515187964.

The spelling of 108908228 in words is "one hundred eight million, nine hundred eight thousand, two hundred twenty-eight".

Divisors: 1 2 4 11 13 19 22 26 38 44 52 76 121 143 209 242 247 286 418 484 494 572 836 911 988 1573 1822 2299 2717 3146 3644 4598 5434 6292 9196 10021 10868 11843 17309 20042 23686 29887 34618 40084 47372 59774 69236 110231 119548 130273 190399 220462 225017 260546 380798 440924 450034 521092 761596 900068 1433003 2094389 2475187 2866006 4188778 4950374 5732012 8377556 9900748 27227057 54454114 108908228