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315414430 = 25172337963
BaseRepresentation
bin10010110011001…
…101011110011110
3210222111201020221
4102303031132132
51121221230210
651144231554
710546656412
oct2263153636
9728451227
10315414430
11152052591
128976b5ba
1350466c76
142dc66d42
151ca561da
hex12ccd79e

315414430 has 32 divisors (see below), whose sum is σ = 603798624. Its totient is φ = 118219776.

The previous prime is 315414397. The next prime is 315414431. The reversal of 315414430 is 34414513.

It is a junction number, because it is equal to n+sod(n) for n = 315414395 and 315414404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315414431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35629 + ... + 43591.

It is an arithmetic number, because the mean of its divisors is an integer number (18868707).

Almost surely, 2315414430 is an apocalyptic number.

315414430 is a deficient number, since it is larger than the sum of its proper divisors (288384194).

315414430 is a wasteful number, since it uses less digits than its factorization.

315414430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8220.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 315414430 is about 17759.9107542803. The cubic root of 315414430 is about 680.7074744700.

Adding to 315414430 its reverse (34414513), we get a palindrome (349828943).

It can be divided in two parts, 315414 and 430, that added together give a square (315844 = 5622).

The spelling of 315414430 in words is "three hundred fifteen million, four hundred fourteen thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 233 466 1165 2330 3961 7922 7963 15926 19805 39610 39815 79630 135371 270742 676855 1353710 1855379 3710758 9276895 18553790 31541443 63082886 157707215 315414430