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450730401 = 31117803441
BaseRepresentation
bin11010110111011…
…001100110100001
31011102010110212120
4122313121212201
51410341333101
6112420414453
714112100542
oct3267314641
91142113776
10450730401
11211475470
12106b47429
13724c42a4
1443c0c4c9
1529884b36
hex1add99a1

450730401 has 16 divisors (see below), whose sum is σ = 694173888. Its totient is φ = 257100800.

The previous prime is 450730387. The next prime is 450730409. The reversal of 450730401 is 104037054.

It is a de Polignac number, because none of the positive numbers 2k-450730401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (450730409) 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, 401160 + ... + 402281.

It is an arithmetic number, because the mean of its divisors is an integer number (43385868).

Almost surely, 2450730401 is an apocalyptic number.

It is an amenable number.

450730401 is a deficient number, since it is larger than the sum of its proper divisors (243443487).

450730401 is a wasteful number, since it uses less digits than its factorization.

450730401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803472.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 450730401 is about 21230.4121721647. The cubic root of 450730401 is about 766.7238106325.

Adding to 450730401 its reverse (104037054), we get a palindrome (554767455).

The spelling of 450730401 in words is "four hundred fifty million, seven hundred thirty thousand, four hundred one".

Divisors: 1 3 11 17 33 51 187 561 803441 2410323 8837851 13658497 26513553 40975491 150243467 450730401