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451130260 = 22572460337
BaseRepresentation
bin11010111000111…
…011001110010100
31011102212210101011
4122320323032110
51410442132020
6112433142004
714115354400
oct3270731624
91142783334
10451130260
11211718929
121070ba904
13726042a9
1443cb4100
152991335a
hex1ae3b394

451130260 has 36 divisors (see below), whose sum is σ = 1102049172. Its totient is φ = 154672896.

The previous prime is 451130221. The next prime is 451130269. The reversal of 451130260 is 62031154.

It can be written as a sum of positive squares in 2 ways, for example, as 74615044 + 376515216 = 8638^2 + 19404^2 .

It is a super-2 number, since 2×4511302602 = 407037022975335200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451130269) 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, 229189 + ... + 231148.

It is an arithmetic number, because the mean of its divisors is an integer number (30612477).

Almost surely, 2451130260 is an apocalyptic number.

It is an amenable number.

451130260 is an abundant number, since it is smaller than the sum of its proper divisors (650918912).

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

451130260 is a wasteful number, since it uses less digits than its factorization.

451130260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460360 (or 460351 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 451130260 is about 21239.8272121032. The cubic root of 451130260 is about 766.9504729568.

The spelling of 451130260 in words is "four hundred fifty-one million, one hundred thirty thousand, two hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 460337 920674 1841348 2301685 3222359 4603370 6444718 9206740 12889436 16111795 22556513 32223590 45113026 64447180 90226052 112782565 225565130 451130260