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1422454477 = 1451980327
BaseRepresentation
bin101010011001000…
…1110111011001101
310200010121011201011
41110302032323031
510403122020402
6353052045221
750151443413
oct12462167315
93603534634
101422454477
1166aa36114
12338463811
13198911152
14d6cb92b3
1584d2ced7
hex54c8eecd

1422454477 has 4 divisors (see below), whose sum is σ = 1423436256. Its totient is φ = 1421472700.

The previous prime is 1422454459. The next prime is 1422454489. The reversal of 1422454477 is 7744542241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7744542241 = 64811194961.

It is a cyclic number.

It is not a de Polignac number, because 1422454477 - 211 = 1422452429 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422455477) 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, 488713 + ... + 491614.

It is an arithmetic number, because the mean of its divisors is an integer number (355859064).

Almost surely, 21422454477 is an apocalyptic number.

It is an amenable number.

1422454477 is a deficient number, since it is larger than the sum of its proper divisors (981779).

1422454477 is an equidigital number, since it uses as much as digits as its factorization.

1422454477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981778.

The product of its digits is 250880, while the sum is 40.

The square root of 1422454477 is about 37715.4408299837. The cubic root of 1422454477 is about 1124.6380997577.

The spelling of 1422454477 in words is "one billion, four hundred twenty-two million, four hundred fifty-four thousand, four hundred seventy-seven".

Divisors: 1 1451 980327 1422454477