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454981040 = 2456019463
BaseRepresentation
bin11011000111100…
…111010110110000
31011201010102122122
4123013213112300
51412433343130
6113051453412
714163163223
oct3307472660
91151112578
10454981040
11213908a98
12108457268
1373351c67
14445d75ba
1529e242e5
hex1b1e75b0

454981040 has 40 divisors (see below), whose sum is σ = 1059703008. Its totient is φ = 181670400.

The previous prime is 454981039. The next prime is 454981067. The reversal of 454981040 is 40189454.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43349 + ... + 52811.

Almost surely, 2454981040 is an apocalyptic number.

454981040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

454981040 is an abundant number, since it is smaller than the sum of its proper divisors (604721968).

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

454981040 is a wasteful number, since it uses less digits than its factorization.

454981040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10077 (or 10071 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 454981040 is about 21330.2845738166. The cubic root of 454981040 is about 769.1264845499.

The spelling of 454981040 in words is "four hundred fifty-four million, nine hundred eighty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 601 1202 2404 3005 4808 6010 9463 9616 12020 18926 24040 37852 47315 48080 75704 94630 151408 189260 378520 757040 5687263 11374526 22749052 28436315 45498104 56872630 90996208 113745260 227490520 454981040