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450457049 = 7227113391
BaseRepresentation
bin11010110110010…
…110110111011001
31011101121120220102
4122312112313121
51410304111144
6112410505145
714106551600
oct3266266731
91141546812
10450457049
112112a9059
12106a351b5
1372429a43
1443b7aa37
152982db4e
hex1ad96dd9

450457049 has 12 divisors (see below), whose sum is σ = 524348928. Its totient is φ = 385849800.

The previous prime is 450457003. The next prime is 450457057. The reversal of 450457049 is 940754054.

It is not a de Polignac number, because 450457049 - 220 = 449408473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450457069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131144 + ... + 134534.

It is an arithmetic number, because the mean of its divisors is an integer number (43695744).

Almost surely, 2450457049 is an apocalyptic number.

450457049 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

450457049 is a deficient number, since it is larger than the sum of its proper divisors (73891879).

450457049 is a wasteful number, since it uses less digits than its factorization.

450457049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116 (or 6109 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 450457049 is about 21223.9734498515. The cubic root of 450457049 is about 766.5687823572.

The spelling of 450457049 in words is "four hundred fifty million, four hundred fifty-seven thousand, forty-nine".

Divisors: 1 7 49 2711 3391 18977 23737 132839 166159 9193001 64351007 450457049