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451145130 = 235111713463
BaseRepresentation
bin11010111000111…
…110110110101010
31011102220112202220
4122320332312222
51410443121010
6112433334510
714115445632
oct3270766652
91142815686
10451145130
11211729017
12107107436
137260aca7
1443cb96c2
1529917970
hex1ae3edaa

451145130 has 32 divisors (see below), whose sum is σ = 1083798144. Its totient is φ = 120188736.

The previous prime is 451145129. The next prime is 451145131. The reversal of 451145130 is 31541154.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (451145129) and next prime (451145131).

It is a self number, because there is not a number n which added to its sum of digits gives 451145130.

It is not an unprimeable number, because it can be changed into a prime (451145131) 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, 26779 + ... + 40241.

It is an arithmetic number, because the mean of its divisors is an integer number (33868692).

Almost surely, 2451145130 is an apocalyptic number.

451145130 is an abundant number, since it is smaller than the sum of its proper divisors (632653014).

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

451145130 is a wasteful number, since it uses less digits than its factorization.

451145130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14590.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 451145130 is about 21240.1772591473. The cubic root of 451145130 is about 766.9588995166.

Adding to 451145130 its reverse (31541154), we get a palindrome (482686284).

The spelling of 451145130 in words is "four hundred fifty-one million, one hundred forty-five thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1117 2234 3351 5585 6702 11170 13463 16755 26926 33510 40389 67315 80778 134630 201945 403890 15038171 30076342 45114513 75190855 90229026 150381710 225572565 451145130