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490781326 = 27291208821
BaseRepresentation
bin11101010000001…
…011101010001110
31021012111021102011
4131100023222032
52001120000301
6120411051434
715106400230
oct3520135216
91235437364
10490781326
11232040302
12118440b7a
137a8a8069
1449276250
152d146a51
hex1d40ba8e

490781326 has 16 divisors (see below), whose sum is σ = 870351840. Its totient is φ = 203081760.

The previous prime is 490781311. The next prime is 490781327. The reversal of 490781326 is 623187094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490781327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604005 + ... + 604816.

It is an arithmetic number, because the mean of its divisors is an integer number (54396990).

Almost surely, 2490781326 is an apocalyptic number.

490781326 is a deficient number, since it is larger than the sum of its proper divisors (379570514).

490781326 is a wasteful number, since it uses less digits than its factorization.

490781326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208859.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 490781326 is about 22153.5849469110. The cubic root of 490781326 is about 788.7923255726.

The spelling of 490781326 in words is "four hundred ninety million, seven hundred eighty-one thousand, three hundred twenty-six".

Divisors: 1 2 7 14 29 58 203 406 1208821 2417642 8461747 16923494 35055809 70111618 245390663 490781326