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4905243 = 3274227
BaseRepresentation
bin10010101101100100011011
3100020012201200
4102231210123
52223431433
6253045243
756460000
oct22554433
910205650
104905243
112850422
121786823
131029915
149198a7
1566d613
hex4ad91b

4905243 has 30 divisors (see below), whose sum is σ = 8302164. Its totient is φ = 2790648.

The previous prime is 4905227. The next prime is 4905253. The reversal of 4905243 is 3425094.

It is not a de Polignac number, because 4905243 - 24 = 4905227 is a prime.

It is a super-2 number, since 2×49052432 = 48122817778098, which contains 22 as substring.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (4905253) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 21496 + ... + 21722.

Almost surely, 24905243 is an apocalyptic number.

4905243 is a deficient number, since it is larger than the sum of its proper divisors (3396921).

4905243 is an equidigital number, since it uses as much as digits as its factorization.

4905243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4905243 is about 2214.7783184779. The cubic root of 4905243 is about 169.9104834369.

The spelling of 4905243 in words is "four million, nine hundred five thousand, two hundred forty-three".

Divisors: 1 3 7 9 21 49 63 147 227 343 441 681 1029 1589 2043 2401 3087 4767 7203 11123 14301 21609 33369 77861 100107 233583 545027 700749 1635081 4905243