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1422253031 = 1783661943
BaseRepresentation
bin101010011000101…
…1101101111100111
310200010012221101012
41110301131233213
510403044044111
6353043452435
750146644203
oct12461355747
93603187335
101422253031
1166a908831
1233838711b
13198870554
14d6c65b03
1584cdd48b
hex54c5dbe7

1422253031 has 4 divisors (see below), whose sum is σ = 1505914992. Its totient is φ = 1338591072.

The previous prime is 1422253009. The next prime is 1422253069. The reversal of 1422253031 is 1303522241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1303522241 = 7186217463.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1422253031 is a prime.

It is a super-2 number, since 2×14222530312 = 4045607368377373922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1422252988 and 1422253006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422253831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41830955 + ... + 41830988.

It is an arithmetic number, because the mean of its divisors is an integer number (376478748).

Almost surely, 21422253031 is an apocalyptic number.

1422253031 is a deficient number, since it is larger than the sum of its proper divisors (83661961).

1422253031 is an equidigital number, since it uses as much as digits as its factorization.

1422253031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83661960.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1422253031 is about 37712.7701316146. The cubic root of 1422253031 is about 1124.5850073634.

Adding to 1422253031 its reverse (1303522241), we get a palindrome (2725775272).

The spelling of 1422253031 in words is "one billion, four hundred twenty-two million, two hundred fifty-three thousand, thirty-one".

Divisors: 1 17 83661943 1422253031