Search a number
-
+
315730101 = 3382327529
BaseRepresentation
bin10010110100011…
…010100010110101
3211000002202021110
4102310122202311
51121311330401
651155105233
710552442631
oct2264324265
9730082243
10315730101
11152248775
12898a2219
135054785b
142dd09dc1
151cab99d6
hex12d1a8b5

315730101 has 8 divisors (see below), whose sum is σ = 421098880. Its totient is φ = 210424032.

The previous prime is 315730099. The next prime is 315730109. The reversal of 315730101 is 101037513.

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

It is not a de Polignac number, because 315730101 - 21 = 315730099 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 (315730109) 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, 2296 + ... + 25233.

It is an arithmetic number, because the mean of its divisors is an integer number (52637360).

Almost surely, 2315730101 is an apocalyptic number.

It is an amenable number.

315730101 is a deficient number, since it is larger than the sum of its proper divisors (105368779).

315730101 is a wasteful number, since it uses less digits than its factorization.

315730101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31355.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 315730101 is about 17768.7957104583. The cubic root of 315730101 is about 680.9344858174.

Adding to 315730101 its reverse (101037513), we get a palindrome (416767614).

The spelling of 315730101 in words is "three hundred fifteen million, seven hundred thirty thousand, one hundred one".

Divisors: 1 3 3823 11469 27529 82587 105243367 315730101