Search a number
-
+
457870049 = 71314093571
BaseRepresentation
bin11011010010101…
…000101011100001
31011220120012121222
4123102220223201
51414203320144
6113233424425
714226555050
oct3322505341
91156505558
10457870049
112155015aa
1210940b115
1373b23c30
1444b4a397
152a2e52ee
hex1b4a8ae1

457870049 has 16 divisors (see below), whose sum is σ = 564090240. Its totient is φ = 361912320.

The previous prime is 457870033. The next prime is 457870051. The reversal of 457870049 is 940078754.

It is not a de Polignac number, because 457870049 - 24 = 457870033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 457869991 and 457870009.

It is not an unprimeable number, because it can be changed into a prime (457870249) 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, 126434 + ... + 130004.

It is an arithmetic number, because the mean of its divisors is an integer number (35255640).

Almost surely, 2457870049 is an apocalyptic number.

It is an amenable number.

457870049 is a deficient number, since it is larger than the sum of its proper divisors (106220191).

457870049 is a wasteful number, since it uses less digits than its factorization.

457870049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 457870049 is about 21397.8982379111. The cubic root of 457870049 is about 770.7509674746.

The spelling of 457870049 in words is "four hundred fifty-seven million, eight hundred seventy thousand, forty-nine".

Divisors: 1 7 13 91 1409 3571 9863 18317 24997 46423 128219 324961 5031539 35220773 65410007 457870049