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2428406449 = 715711811871
BaseRepresentation
bin1001000010111110…
…1000101010110001
320021020110211101121
42100233220222301
514433133001244
61040545102241
7114115054120
oct22057505261
96236424347
102428406449
111036854787
12579327981
132c91534c1
14190735ab7
15e32d7c84
hex90be8ab1

2428406449 has 16 divisors (see below), whose sum is σ = 2796857856. Its totient is φ = 2065377600.

The previous prime is 2428406443. The next prime is 2428406527. The reversal of 2428406449 is 9446048242.

It is a cyclic number.

It is not a de Polignac number, because 2428406449 - 29 = 2428405937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2428406443) 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, 1296984 + ... + 1298854.

It is an arithmetic number, because the mean of its divisors is an integer number (174803616).

Almost surely, 22428406449 is an apocalyptic number.

It is an amenable number.

2428406449 is a deficient number, since it is larger than the sum of its proper divisors (368451407).

2428406449 is a wasteful number, since it uses less digits than its factorization.

2428406449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216.

The product of its (nonzero) digits is 442368, while the sum is 43.

The square root of 2428406449 is about 49278.8641204320. The cubic root of 2428406449 is about 1344.1274771095.

The spelling of 2428406449 in words is "two billion, four hundred twenty-eight million, four hundred six thousand, four hundred forty-nine".

Divisors: 1 7 157 1099 1181 1871 8267 13097 185417 293747 1297919 2056229 2209651 15467557 346915207 2428406449