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310421422 = 2155210711
BaseRepresentation
bin10010100000001…
…010011110101110
3210122010001010201
4102200022132232
51113431441142
650445224114
710456352503
oct2240123656
9718101121
10310421422
1114a252233
1287b6203a
134c40941c
142d3274aa
151c3bbab7
hex1280a7ae

310421422 has 4 divisors (see below), whose sum is σ = 465632136. Its totient is φ = 155210710.

The previous prime is 310421389. The next prime is 310421431. The reversal of 310421422 is 224124013.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×3104214222 = 192722918473004168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 310421422.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 77605354 + ... + 77605357.

It is an arithmetic number, because the mean of its divisors is an integer number (116408034).

Almost surely, 2310421422 is an apocalyptic number.

310421422 is a deficient number, since it is larger than the sum of its proper divisors (155210714).

310421422 is a wasteful number, since it uses less digits than its factorization.

310421422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155210713.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 310421422 is about 17618.7803777674. The cubic root of 310421422 is about 677.0964882508.

Adding to 310421422 its reverse (224124013), we get a palindrome (534545435).

The spelling of 310421422 in words is "three hundred ten million, four hundred twenty-one thousand, four hundred twenty-two".

Divisors: 1 2 155210711 310421422