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4915285 = 54123977
BaseRepresentation
bin10010110000000001010101
3100020201111121
4102300001111
52224242120
6253203541
756531164
oct22600125
910221447
104915285
112857a21
1217905b1
13103136b
1491d3db
156715aa
hex4b0055

4915285 has 8 divisors (see below), whose sum is σ = 6042456. Its totient is φ = 3836160.

The previous prime is 4915279. The next prime is 4915303. The reversal of 4915285 is 5825194.

It can be written as a sum of positive squares in 4 ways, for example, as 196 + 4915089 = 14^2 + 2217^2 .

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

It is not a de Polignac number, because 4915285 - 23 = 4915277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4915285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11784 + ... + 12193.

It is an arithmetic number, because the mean of its divisors is an integer number (755307).

Almost surely, 24915285 is an apocalyptic number.

It is an amenable number.

4915285 is a deficient number, since it is larger than the sum of its proper divisors (1127171).

4915285 is a wasteful number, since it uses less digits than its factorization.

4915285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24023.

The product of its digits is 14400, while the sum is 34.

The square root of 4915285 is about 2217.0442034384. The cubic root of 4915285 is about 170.0263511632.

Subtracting 4915285 from its reverse (5825194), we obtain a palindrome (909909).

It can be divided in two parts, 491 and 5285, that added together give a square (5776 = 762).

The spelling of 4915285 in words is "four million, nine hundred fifteen thousand, two hundred eighty-five".

Divisors: 1 5 41 205 23977 119885 983057 4915285