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1422394043 = 7203199149
BaseRepresentation
bin101010011001000…
…0000001010111011
310200010111002210212
41110302000022323
510403113102133
6353050501335
750151102260
oct12462001273
93603432725
101422394043
1166a9a4774
1233843484b
131988bc7a5
14d6ca1267
1584d1a148
hex54c802bb

1422394043 has 4 divisors (see below), whose sum is σ = 1625593200. Its totient is φ = 1219194888.

The previous prime is 1422394003. The next prime is 1422394067. The reversal of 1422394043 is 3404932241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3404932241 = 5498361927.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1422394043 is a prime.

It is a super-3 number, since 3×14223940433 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1422394003) 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, 101599568 + ... + 101599581.

It is an arithmetic number, because the mean of its divisors is an integer number (406398300).

Almost surely, 21422394043 is an apocalyptic number.

1422394043 is a deficient number, since it is larger than the sum of its proper divisors (203199157).

1422394043 is an equidigital number, since it uses as much as digits as its factorization.

1422394043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203199156.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 1422394043 is about 37714.6396376792. The cubic root of 1422394043 is about 1124.6221725131.

The spelling of 1422394043 in words is "one billion, four hundred twenty-two million, three hundred ninety-four thousand, forty-three".

Divisors: 1 7 203199149 1422394043