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314002421 = 1511207811
BaseRepresentation
bin10010101101110…
…100101111110101
3210212211222100022
4102231310233311
51120341034141
651054054525
710531655645
oct2255645765
9725758308
10314002421
11151278737
12891aa445
1350091365
142d9ba525
151c877b4b
hex12b74bf5

314002421 has 4 divisors (see below), whose sum is σ = 314211744. Its totient is φ = 313793100.

The previous prime is 314002411. The next prime is 314002453. The reversal of 314002421 is 124200413.

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: 124200413 = 239519667.

It is a cyclic number.

It is not a de Polignac number, because 314002421 - 26 = 314002357 is a prime.

It is a super-2 number, since 2×3140024212 = 197195040787722482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 314002421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314002411) 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, 102395 + ... + 105416.

It is an arithmetic number, because the mean of its divisors is an integer number (78552936).

Almost surely, 2314002421 is an apocalyptic number.

It is an amenable number.

314002421 is a deficient number, since it is larger than the sum of its proper divisors (209323).

314002421 is a wasteful number, since it uses less digits than its factorization.

314002421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209322.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 314002421 is about 17720.1134590047. The cubic root of 314002421 is about 679.6901854240.

Adding to 314002421 its reverse (124200413), we get a palindrome (438202834).

The spelling of 314002421 in words is "three hundred fourteen million, two thousand, four hundred twenty-one".

Divisors: 1 1511 207811 314002421