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1243451414 = 22812212547
BaseRepresentation
bin100101000011101…
…1001000000010110
310012122202212200002
41022013121000112
510021310421124
6323215251302
742546106532
oct11207310026
93178685602
101243451414
115889944a7
122a8519b32
1316a7c8c8a
14bb200bc2
15742700ae
hex4a1d9016

1243451414 has 8 divisors (see below), whose sum is σ = 1871815608. Its totient is φ = 619512880.

The previous prime is 1243451401. The next prime is 1243451431. The reversal of 1243451414 is 4141543421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105712 + ... + 1106835.

It is an arithmetic number, because the mean of its divisors is an integer number (233976951).

Almost surely, 21243451414 is an apocalyptic number.

1243451414 is a deficient number, since it is larger than the sum of its proper divisors (628364194).

1243451414 is a wasteful number, since it uses less digits than its factorization.

1243451414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212830.

The product of its digits is 7680, while the sum is 29.

The square root of 1243451414 is about 35262.6064549971. The cubic root of 1243451414 is about 1075.3329169712.

Adding to 1243451414 its reverse (4141543421), we get a palindrome (5384994835).

The spelling of 1243451414 in words is "one billion, two hundred forty-three million, four hundred fifty-one thousand, four hundred fourteen".

Divisors: 1 2 281 562 2212547 4425094 621725707 1243451414