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108689541 = 3163222269
BaseRepresentation
bin1100111101001…
…11100010000101
321120112000000120
412132213202011
5210311031131
614441332153
72456563062
oct636474205
9246460016
10108689541
1156397074
1230497059
1319696a4c
1410613c69
15981e496
hex67a7885

108689541 has 8 divisors (see below), whose sum is σ = 145809120. Its totient is φ = 72014832.

The previous prime is 108689533. The next prime is 108689549. The reversal of 108689541 is 145986801.

It is an interprime number because it is at equal distance from previous prime (108689533) and next prime (108689549).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108689541 - 23 = 108689533 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 108689493 and 108689502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108689549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110646 + ... + 111623.

It is an arithmetic number, because the mean of its divisors is an integer number (18226140).

Almost surely, 2108689541 is an apocalyptic number.

It is an amenable number.

108689541 is a deficient number, since it is larger than the sum of its proper divisors (37119579).

108689541 is a wasteful number, since it uses less digits than its factorization.

108689541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222435.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 108689541 is about 10425.4276171292. The cubic root of 108689541 is about 477.2316645175.

The spelling of 108689541 in words is "one hundred eight million, six hundred eighty-nine thousand, five hundred forty-one".

Divisors: 1 3 163 489 222269 666807 36229847 108689541