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103801087 = 1318114409
BaseRepresentation
bin1100010111111…
…10000011111111
321020022122022201
412023332003333
5203033113322
614144452331
72400203035
oct613760377
9236278281
10103801087
1153658325
122a91a0a7
1318674980
14db00555
1591a5d27
hex62fe0ff

103801087 has 8 divisors (see below), whose sum is σ = 111872880. Its totient is φ = 95741760.

The previous prime is 103801081. The next prime is 103801127. The reversal of 103801087 is 780108301.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 103801087 - 27 = 103800959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103801081) 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, 21339 + ... + 25747.

It is an arithmetic number, because the mean of its divisors is an integer number (13984110).

Almost surely, 2103801087 is an apocalyptic number.

103801087 is a deficient number, since it is larger than the sum of its proper divisors (8071793).

103801087 is a wasteful number, since it uses less digits than its factorization.

103801087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6233.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 103801087 is about 10188.2818472989. The cubic root of 103801087 is about 469.9669314292.

Adding to 103801087 its reverse (780108301), we get a palindrome (883909388).

The spelling of 103801087 in words is "one hundred three million, eight hundred one thousand, eighty-seven".

Divisors: 1 13 1811 4409 23543 57317 7984699 103801087