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315430041 = 31792332521
BaseRepresentation
bin10010110011010…
…001010010011001
3210222112111200010
4102303101102121
51121222230131
651144432133
710550053053
oct2263212231
9728474603
10315430041
11152063293
1289778649
13504710c4
142dc6c8d3
151ca5ab46
hex12cd1499

315430041 has 16 divisors (see below), whose sum is σ = 424906560. Its totient is φ = 208131840.

The previous prime is 315430021. The next prime is 315430079. The reversal of 315430041 is 140034513.

It is not a de Polignac number, because 315430041 - 25 = 315430009 is a prime.

It is a super-2 number, since 2×3154300412 = 198992221530523362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315430021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123861 + ... + 126381.

It is an arithmetic number, because the mean of its divisors is an integer number (26556660).

Almost surely, 2315430041 is an apocalyptic number.

It is an amenable number.

315430041 is a deficient number, since it is larger than the sum of its proper divisors (109476519).

315430041 is a wasteful number, since it uses less digits than its factorization.

315430041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 315430041 is about 17760.3502499247. The cubic root of 315430041 is about 680.7187045091.

Adding to 315430041 its reverse (140034513), we get a palindrome (455464554).

The spelling of 315430041 in words is "three hundred fifteen million, four hundred thirty thousand, forty-one".

Divisors: 1 3 179 233 537 699 2521 7563 41707 125121 451259 587393 1353777 1762179 105143347 315430041