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4780490 = 2511133343
BaseRepresentation
bin10010001111000111001010
322222212121012
4102033013022
52210433430
6250243522
755430201
oct22170712
98885535
104780490
112775720
1217265a2
13cb4bc0
148c6238
15646695
hex48f1ca

4780490 has 32 divisors (see below), whose sum is σ = 10112256. Its totient is φ = 1604160.

The previous prime is 4780487. The next prime is 4780499. The reversal of 4780490 is 940874.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4780499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242 + ... + 3101.

It is an arithmetic number, because the mean of its divisors is an integer number (316008).

Almost surely, 24780490 is an apocalyptic number.

4780490 is an abundant number, since it is smaller than the sum of its proper divisors (5331766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4780490 is a wasteful number, since it uses less digits than its factorization.

4780490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 4780490 is about 2186.4331684275. The cubic root of 4780490 is about 168.4576758864.

The spelling of 4780490 in words is "four million, seven hundred eighty thousand, four hundred ninety".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 3343 6686 16715 33430 36773 43459 73546 86918 183865 217295 367730 434590 478049 956098 2390245 4780490