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4857780490 = 25485778049
BaseRepresentation
bin1001000011000101…
…11101100100001010
3110112112202211001221
410201202331210022
534422042433430
62122011032254
7231244311223
oct44142754412
913475684057
104857780490
1120730aa422
12b36a3b68a
135c5555234
1434124024a
151d671257a
hex1218bd90a

4857780490 has 8 divisors (see below), whose sum is σ = 8744004900. Its totient is φ = 1943112192.

The previous prime is 4857780373. The next prime is 4857780493. The reversal of 4857780490 is 940877584.

It can be written as a sum of positive squares in 2 ways, for example, as 3995124849 + 862655641 = 63207^2 + 29371^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4857780493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242889015 + ... + 242889034.

Almost surely, 24857780490 is an apocalyptic number.

4857780490 is a deficient number, since it is larger than the sum of its proper divisors (3886224410).

4857780490 is a wasteful number, since it uses less digits than its factorization.

4857780490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485778056.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The square root of 4857780490 is about 69697.7796633437. The cubic root of 4857780490 is about 1693.6069560710.

The spelling of 4857780490 in words is "four billion, eight hundred fifty-seven million, seven hundred eighty thousand, four hundred ninety".

Divisors: 1 2 5 10 485778049 971556098 2428890245 4857780490