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490224691 = 11232238689
BaseRepresentation
bin11101001110000…
…011110000110011
31021011102222212001
4131032003300303
52000444142231
6120351114431
715101561335
oct3516036063
91234388761
10490224691
112317a0080
12118212a17
137a7418a8
144916d455
152d086b61
hex1d383c33

490224691 has 16 divisors (see below), whose sum is σ = 560609280. Its totient is φ = 424321920.

The previous prime is 490224677. The next prime is 490224743. The reversal of 490224691 is 196422094.

It is a happy number.

It is not a de Polignac number, because 490224691 - 213 = 490216499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 490224691.

It is not an unprimeable number, because it can be changed into a prime (490224991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52075 + ... + 60763.

It is an arithmetic number, because the mean of its divisors is an integer number (35038080).

Almost surely, 2490224691 is an apocalyptic number.

490224691 is a deficient number, since it is larger than the sum of its proper divisors (70384589).

490224691 is a wasteful number, since it uses less digits than its factorization.

490224691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8946.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 490224691 is about 22141.0182918492. The cubic root of 490224691 is about 788.4940015925.

The spelling of 490224691 in words is "four hundred ninety million, two hundred twenty-four thousand, six hundred ninety-one".

Divisors: 1 11 23 223 253 2453 5129 8689 56419 95579 199847 1937647 2198317 21314117 44565881 490224691