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1451906242 = 21938208059
BaseRepresentation
bin101011010001010…
…0101010011000010
310202012000110221021
41112202211103002
510433141444432
6400023220054
750656666543
oct12642452302
93665013837
101451906242
11685621716
123462a762a
131a1a53727
14dab844ca
15876e9697
hex568a54c2

1451906242 has 8 divisors (see below), whose sum is σ = 2292483600. Its totient is φ = 687745044.

The previous prime is 1451906191. The next prime is 1451906243. The reversal of 1451906242 is 2426091541.

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

It is a junction number, because it is equal to n+sod(n) for n = 1451906198 and 1451906207.

It is not an unprimeable number, because it can be changed into a prime (1451906243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19103992 + ... + 19104067.

It is an arithmetic number, because the mean of its divisors is an integer number (286560450).

Almost surely, 21451906242 is an apocalyptic number.

1451906242 is a deficient number, since it is larger than the sum of its proper divisors (840577358).

1451906242 is a wasteful number, since it uses less digits than its factorization.

1451906242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38208080.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1451906242 is about 38103.8874919607. The cubic root of 1451906242 is about 1132.3469746961.

Adding to 1451906242 its reverse (2426091541), we get a palindrome (3877997783).

The spelling of 1451906242 in words is "one billion, four hundred fifty-one million, nine hundred six thousand, two hundred forty-two".

Divisors: 1 2 19 38 38208059 76416118 725953121 1451906242