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103680906 = 2378927737
BaseRepresentation
bin1100010111000…
…00101110001010
321020002112110120
412023200232022
5203020242111
614142124110
72366162460
oct613405612
9236075416
10103680906
1153585aaa
122a880636
1318632064
14daac830
159180406
hex62e0b8a

103680906 has 32 divisors (see below), whose sum is σ = 239656320. Its totient is φ = 29289216.

The previous prime is 103680901. The next prime is 103680911. The reversal of 103680906 is 609086301.

It is an interprime number because it is at equal distance from previous prime (103680901) and next prime (103680911).

It is not an unprimeable number, because it can be changed into a prime (103680901) 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, 10131 + ... + 17606.

It is an arithmetic number, because the mean of its divisors is an integer number (7489260).

Almost surely, 2103680906 is an apocalyptic number.

103680906 is an abundant number, since it is smaller than the sum of its proper divisors (135975414).

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

103680906 is a wasteful number, since it uses less digits than its factorization.

103680906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27838.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 103680906 is about 10182.3821377907. The cubic root of 103680906 is about 469.7854853275.

The spelling of 103680906 in words is "one hundred three million, six hundred eighty thousand, nine hundred six".

Divisors: 1 2 3 6 7 14 21 42 89 178 267 534 623 1246 1869 3738 27737 55474 83211 166422 194159 388318 582477 1164954 2468593 4937186 7405779 14811558 17280151 34560302 51840453 103680906