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108938540 = 2255446927
BaseRepresentation
bin1100111111001…
…00010100101100
321120222122120202
412133210110230
5210342013130
614450533032
72461651034
oct637442454
9246878522
10108938540
1156547157
1230597178
1319753199
141067a8c4
15986d145
hex67e452c

108938540 has 12 divisors (see below), whose sum is σ = 228770976. Its totient is φ = 43575408.

The previous prime is 108938539. The next prime is 108938549. The reversal of 108938540 is 45839801.

It is a junction number, because it is equal to n+sod(n) for n = 108938494 and 108938503.

It is not an unprimeable number, because it can be changed into a prime (108938549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2723444 + ... + 2723483.

It is an arithmetic number, because the mean of its divisors is an integer number (19064248).

Almost surely, 2108938540 is an apocalyptic number.

108938540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108938540 is an abundant number, since it is smaller than the sum of its proper divisors (119832436).

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

108938540 is a wasteful number, since it uses less digits than its factorization.

108938540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446936 (or 5446934 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 108938540 is about 10437.3626937076. The cubic root of 108938540 is about 477.5958197005.

The spelling of 108938540 in words is "one hundred eight million, nine hundred thirty-eight thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 5446927 10893854 21787708 27234635 54469270 108938540