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453980454 = 23374149877
BaseRepresentation
bin11011000011110…
…011000100100110
31011122020121002220
4123003303010212
51412204333304
6113014213210
714151525114
oct3303630446
91148217086
10453980454
11213295264
12108054206
13730916b5
1444416ab4
1529cc7ad9
hex1b0f3126

453980454 has 32 divisors (see below), whose sum is σ = 955263456. Its totient is φ = 143642880.

The previous prime is 453980453. The next prime is 453980479. The reversal of 453980454 is 454089354.

It is a super-2 number, since 2×4539804542 = 412196505228092232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453980453) 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, 15837 + ... + 34040.

It is an arithmetic number, because the mean of its divisors is an integer number (29851983).

Almost surely, 2453980454 is an apocalyptic number.

453980454 is an abundant number, since it is smaller than the sum of its proper divisors (501283002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

453980454 is a wasteful number, since it uses less digits than its factorization.

453980454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49960.

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 453980454 is about 21306.8170781091. The cubic root of 453980454 is about 768.5622544232.

Subtracting 453980454 from its reverse (454089354), we obtain a square (108900 = 3302).

The spelling of 453980454 in words is "four hundred fifty-three million, nine hundred eighty thousand, four hundred fifty-four".

Divisors: 1 2 3 6 37 41 74 82 111 123 222 246 1517 3034 4551 9102 49877 99754 149631 299262 1845449 2044957 3690898 4089914 5536347 6134871 11072694 12269742 75663409 151326818 226990227 453980454