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1416720623 = 3593946297
BaseRepresentation
bin101010001110001…
…0111000011101111
310122201210212100012
41110130113003233
510400140024443
6352325123435
750051632553
oct12434270357
93581725305
101416720623
1166777a19a
1233655957b
13197684336
14d6225863
1584599118
hex547170ef

1416720623 has 4 divisors (see below), whose sum is σ = 1420667280. Its totient is φ = 1412773968.

The previous prime is 1416720593. The next prime is 1416720689. The reversal of 1416720623 is 3260276141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3260276141 = 7344661317.

It is a cyclic number.

It is not a de Polignac number, because 1416720623 - 216 = 1416655087 is a prime.

It is a super-3 number, since 3×14167206233 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1416720623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1416720323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1972790 + ... + 1973507.

It is an arithmetic number, because the mean of its divisors is an integer number (355166820).

Almost surely, 21416720623 is an apocalyptic number.

1416720623 is a deficient number, since it is larger than the sum of its proper divisors (3946657).

1416720623 is an equidigital number, since it uses as much as digits as its factorization.

1416720623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946656.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1416720623 is about 37639.3493966089. The cubic root of 1416720623 is about 1123.1249418593.

Adding to 1416720623 its reverse (3260276141), we get a palindrome (4676996764).

The spelling of 1416720623 in words is "one billion, four hundred sixteen million, seven hundred twenty thousand, six hundred twenty-three".

Divisors: 1 359 3946297 1416720623