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103032121 = 1719933041
BaseRepresentation
bin1100010010000…
…10010100111001
321011212120111111
412021002110321
5202334011441
614120200321
72360521123
oct611022471
9234776444
10103032121
1153182615
122a6090a1
131846596a
14d980213
1590a3081
hex6242539

103032121 has 8 divisors (see below), whose sum is σ = 109183464. Its totient is φ = 96890880.

The previous prime is 103032103. The next prime is 103032143. The reversal of 103032121 is 121230301.

It can be written as a sum of positive squares in 4 ways, for example, as 71166096 + 31866025 = 8436^2 + 5645^2 .

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 103032121 - 217 = 102901049 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103032101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32361 + ... + 35401.

It is an arithmetic number, because the mean of its divisors is an integer number (13647933).

Almost surely, 2103032121 is an apocalyptic number.

It is an amenable number.

103032121 is a deficient number, since it is larger than the sum of its proper divisors (6151343).

103032121 is a wasteful number, since it uses less digits than its factorization.

103032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 103032121 is about 10150.4739298222. The cubic root of 103032121 is about 468.8035374466.

Adding to 103032121 its reverse (121230301), we get a palindrome (224262422).

The spelling of 103032121 in words is "one hundred three million, thirty-two thousand, one hundred twenty-one".

Divisors: 1 17 1993 3041 33881 51697 6060713 103032121