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314510521 = 1321861009
BaseRepresentation
bin10010101111110…
…000110010111001
3210220210210022211
4102233300302321
51121003314041
651113015121
710536203203
oct2257606271
9726723284
10314510521
11151595456
12893b44a1
135020b700
142daad773
151c928481
hex12bf0cb9

314510521 has 6 divisors (see below), whose sum is σ = 340564830. Its totient is φ = 290317248.

The previous prime is 314510519. The next prime is 314510551. The reversal of 314510521 is 125015413.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 15912121 + 298598400 = 3989^2 + 17280^2 .

It is not a de Polignac number, because 314510521 - 21 = 314510519 is a prime.

It is a super-3 number, since 3×3145105213 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 314510492 and 314510501.

It is not an unprimeable number, because it can be changed into a prime (314510551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 930336 + ... + 930673.

It is an arithmetic number, because the mean of its divisors is an integer number (56760805).

Almost surely, 2314510521 is an apocalyptic number.

It is an amenable number.

314510521 is a deficient number, since it is larger than the sum of its proper divisors (26054309).

314510521 is a wasteful number, since it uses less digits than its factorization.

314510521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861035 (or 1861022 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 314510521 is about 17734.4444795996. Note that the first 4 decimals coincide. The cubic root of 314510521 is about 680.0565992393.

Adding to 314510521 its reverse (125015413), we get a palindrome (439525934).

The spelling of 314510521 in words is "three hundred fourteen million, five hundred ten thousand, five hundred twenty-one".

Divisors: 1 13 169 1861009 24193117 314510521