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315421030 = 2531542103
BaseRepresentation
bin10010110011001…
…111000101100110
3210222112001022101
4102303033011212
51121221433110
651144322314
710550014561
oct2263170546
9728461271
10315421030
11152057541
128977339a
1350469c82
142dc694d8
151ca5813a
hex12ccf166

315421030 has 8 divisors (see below), whose sum is σ = 567757872. Its totient is φ = 126168408.

The previous prime is 315421019. The next prime is 315421069. The reversal of 315421030 is 30124513.

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

It is a junction number, because it is equal to n+sod(n) for n = 315420989 and 315421007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15771042 + ... + 15771061.

It is an arithmetic number, because the mean of its divisors is an integer number (70969734).

Almost surely, 2315421030 is an apocalyptic number.

315421030 is a deficient number, since it is larger than the sum of its proper divisors (252336842).

315421030 is a wasteful number, since it uses less digits than its factorization.

315421030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31542110.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 315421030 is about 17760.0965650528. The cubic root of 315421030 is about 680.7122223378.

Adding to 315421030 its reverse (30124513), we get a palindrome (345545543).

The spelling of 315421030 in words is "three hundred fifteen million, four hundred twenty-one thousand, thirty".

Divisors: 1 2 5 10 31542103 63084206 157710515 315421030