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108989304 = 23331263557
BaseRepresentation
bin1100111111100…
…00101101111000
321121002020012220
412133300231320
5210400124204
614452004040
72462252034
oct637605570
9247066186
10108989304
1156581306
1230600620
1319770318
14106911c4
15987d1d9
hex67f0b78

108989304 has 64 divisors (see below), whose sum is σ = 282839040. Its totient is φ = 34961280.

The previous prime is 108989303. The next prime is 108989317. The reversal of 108989304 is 403989801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108989303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195394 + ... + 195950.

It is an arithmetic number, because the mean of its divisors is an integer number (4419360).

Almost surely, 2108989304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108989304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141419520).

108989304 is an abundant number, since it is smaller than the sum of its proper divisors (173849736).

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

108989304 is a wasteful number, since it uses less digits than its factorization.

108989304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 108989304 is about 10439.7942508461. The cubic root of 108989304 is about 477.6699927442.

It can be divided in two parts, 10898 and 9304, that added together give a palindrome (20202).

The spelling of 108989304 in words is "one hundred eight million, nine hundred eighty-nine thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 263 372 526 557 744 789 1052 1114 1578 1671 2104 2228 3156 3342 4456 6312 6684 8153 13368 16306 17267 24459 32612 34534 48918 51801 65224 69068 97836 103602 138136 146491 195672 207204 292982 414408 439473 585964 878946 1171928 1757892 3515784 4541221 9082442 13623663 18164884 27247326 36329768 54494652 108989304