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103995189 = 32192967313
BaseRepresentation
bin1100011001011…
…01011100110101
321020200111120200
412030231130311
5203110321224
614152551113
72401641654
oct614553465
9236614520
10103995189
1153780141
122a9b2499
131871211c
14db5119b
1591e35c9
hex632d735

103995189 has 48 divisors (see below), whose sum is σ = 166545600. Its totient is φ = 62270208.

The previous prime is 103995187. The next prime is 103995217. The reversal of 103995189 is 981599301.

It is not a de Polignac number, because 103995189 - 21 = 103995187 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103995187) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 332097 + ... + 332409.

It is an arithmetic number, because the mean of its divisors is an integer number (3469700).

Almost surely, 2103995189 is an apocalyptic number.

103995189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

103995189 is a deficient number, since it is larger than the sum of its proper divisors (62550411).

103995189 is a wasteful number, since it uses less digits than its factorization.

103995189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The square root of 103995189 is about 10197.8031457761. The cubic root of 103995189 is about 470.2596859764.

The spelling of 103995189 in words is "one hundred three million, nine hundred ninety-five thousand, one hundred eighty-nine".

Divisors: 1 3 9 19 29 57 67 87 171 201 261 313 551 603 939 1273 1653 1943 2817 3819 4959 5829 5947 9077 11457 17487 17841 20971 27231 36917 53523 62913 81693 110751 172463 188739 332253 398449 517389 608159 1195347 1552167 1824477 3586041 5473431 11555021 34665063 103995189