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10030145 = 53754217
BaseRepresentation
bin100110010000…
…110001000001
3200212120202212
4212100301001
510031431040
6554551505
7151153256
oct46206101
920776685
1010030145
115730884
123438595
1321024c8
14149142d
15d31d65
hex990c41

10030145 has 8 divisors (see below), whose sum is σ = 12361704. Its totient is φ = 7807104.

The previous prime is 10030133. The next prime is 10030147. The reversal of 10030145 is 54103001.

It can be written as a sum of positive squares in 4 ways, for example, as 982081 + 9048064 = 991^2 + 3008^2 .

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 10030145 - 214 = 10013761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10030147) 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, 26924 + ... + 27293.

It is an arithmetic number, because the mean of its divisors is an integer number (1545213).

Almost surely, 210030145 is an apocalyptic number.

It is an amenable number.

10030145 is a deficient number, since it is larger than the sum of its proper divisors (2331559).

10030145 is an equidigital number, since it uses as much as digits as its factorization.

10030145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54259.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 10030145 is about 3167.0404165403. The cubic root of 10030145 is about 215.6597366147.

Adding to 10030145 its reverse (54103001), we get a palindrome (64133146).

The spelling of 10030145 in words is "ten million, thirty thousand, one hundred forty-five".

Divisors: 1 5 37 185 54217 271085 2006029 10030145