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2145430224 = 243272128403
BaseRepresentation
bin111111111100000…
…1010101011010000
312112112000010222200
41333320022223100
513343212231344
6552520003200
7104110566420
oct17770125320
95475003880
102145430224
11a01048533
124ba600500
13282636252
14164d14480
15c853d069
hex7fe0aad0

2145430224 has 60 divisors (see below), whose sum is σ = 6861974496. Its totient is φ = 612979776.

The previous prime is 2145430219. The next prime is 2145430241. The reversal of 2145430224 is 4220345412.

2145430224 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 430 + 224 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1063194 + ... + 1065209.

Almost surely, 22145430224 is an apocalyptic number.

2145430224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2145430224 is an abundant number, since it is smaller than the sum of its proper divisors (4716544272).

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

2145430224 is a wasteful number, since it uses less digits than its factorization.

2145430224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128424 (or 2128415 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2145430224 is about 46318.7891033434. The cubic root of 2145430224 is about 1289.7478071990.

Adding to 2145430224 its reverse (4220345412), we get a palindrome (6365775636).

The spelling of 2145430224 in words is "two billion, one hundred forty-five million, four hundred thirty thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 2128403 4256806 6385209 8513612 12770418 14898821 17027224 19155627 25540836 29797642 34054448 38311254 44696463 51081672 59595284 76622508 89392926 102163344 119190568 134089389 153245016 178785852 238381136 268178778 306490032 357571704 536357556 715143408 1072715112 2145430224