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1422424973 = 2949049137
BaseRepresentation
bin101010011001000…
…0111101110001101
310200010112200020102
41110302013232031
510403120044343
6353051300445
750151261404
oct12462075615
93603480212
101422424973
1166aa15a32
1233844a725
131989008a8
14d6cac63b
1584d243b8
hex54c87b8d

1422424973 has 4 divisors (see below), whose sum is σ = 1471474140. Its totient is φ = 1373375808.

The previous prime is 1422424963. The next prime is 1422424979. The reversal of 1422424973 is 3794242241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3794242241 = 31122394911.

It can be written as a sum of positive squares in 2 ways, for example, as 1091839849 + 330585124 = 33043^2 + 18182^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422424973 - 24 = 1422424957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422424979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24524540 + ... + 24524597.

It is an arithmetic number, because the mean of its divisors is an integer number (367868535).

Almost surely, 21422424973 is an apocalyptic number.

It is an amenable number.

1422424973 is a deficient number, since it is larger than the sum of its proper divisors (49049167).

1422424973 is an equidigital number, since it uses as much as digits as its factorization.

1422424973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49049166.

The product of its digits is 96768, while the sum is 38.

The square root of 1422424973 is about 37715.0496884201. The cubic root of 1422424973 is about 1124.6303241013.

The spelling of 1422424973 in words is "one billion, four hundred twenty-two million, four hundred twenty-four thousand, nine hundred seventy-three".

Divisors: 1 29 49049137 1422424973