Search a number
-
+
244245387 = 391988591
BaseRepresentation
bin11101000111011…
…10001110001011
3122000120221200110
432203232032023
51000011323022
640123005403
76024023451
oct1643561613
9560527613
10244245387
111159631a1
1269969863
133b7a92c9
142461c9d1
151669900c
hexe8ee38b

244245387 has 8 divisors (see below), whose sum is σ = 326018560. Its totient is φ = 162651240.

The previous prime is 244245367. The next prime is 244245389. The reversal of 244245387 is 783542442.

It is a happy number.

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

It is not a de Polignac number, because 244245387 - 27 = 244245259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244245389) 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, 41539 + ... + 47052.

It is an arithmetic number, because the mean of its divisors is an integer number (40752320).

Almost surely, 2244245387 is an apocalyptic number.

244245387 is a deficient number, since it is larger than the sum of its proper divisors (81773173).

244245387 is an equidigital number, since it uses as much as digits as its factorization.

244245387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89513.

The product of its digits is 215040, while the sum is 39.

The square root of 244245387 is about 15628.3520244458. The cubic root of 244245387 is about 625.0893841228.

The spelling of 244245387 in words is "two hundred forty-four million, two hundred forty-five thousand, three hundred eighty-seven".

Divisors: 1 3 919 2757 88591 265773 81415129 244245387