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103189995 = 3252293111
BaseRepresentation
bin1100010011010…
…00110111101011
321012011121001200
412021220313223
5202404034440
614123415243
72362046316
oct611506753
9235147050
10103189995
1153280197
122a684523
13184bc78c
14d9c197d
1590d4c30
hex6268deb

103189995 has 12 divisors (see below), whose sum is σ = 178862736. Its totient is φ = 55034640.

The previous prime is 103189967. The next prime is 103190039. The reversal of 103189995 is 599981301.

It is not a de Polignac number, because 103189995 - 25 = 103189963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2293111 = 103189995 / (1 + 0 + 3 + 1 + 8 + 9 + 9 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 103189995.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146511 + ... + 1146600.

It is an arithmetic number, because the mean of its divisors is an integer number (14905228).

Almost surely, 2103189995 is an apocalyptic number.

103189995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103189995 is a deficient number, since it is larger than the sum of its proper divisors (75672741).

103189995 is a wasteful number, since it uses less digits than its factorization.

103189995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293122 (or 2293119 counting only the distinct ones).

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

The square root of 103189995 is about 10158.2476343117. The cubic root of 103189995 is about 469.0428612574.

The spelling of 103189995 in words is "one hundred three million, one hundred eighty-nine thousand, nine hundred ninety-five".

Divisors: 1 3 5 9 15 45 2293111 6879333 11465555 20637999 34396665 103189995