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314423021 = 11130321937
BaseRepresentation
bin10010101111011…
…011011011101101
3210220122100022002
4102233123123231
51120443014041
651111102045
710535360123
oct2257333355
9726570262
10314423021
11151535740
1289371925
13501aa933
142da89913
151c90c59b
hex12bdb6ed

314423021 has 8 divisors (see below), whose sum is σ = 343285824. Its totient is φ = 285606720.

The previous prime is 314422993. The next prime is 314423033. The reversal of 314423021 is 120324413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-314423021 is a prime.

It is a super-2 number, since 2×3144230212 = 197723672269532882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 314422984 and 314423002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314423051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3365 + ... + 25301.

It is an arithmetic number, because the mean of its divisors is an integer number (42910728).

Almost surely, 2314423021 is an apocalyptic number.

It is an amenable number.

314423021 is a deficient number, since it is larger than the sum of its proper divisors (28862803).

314423021 is a wasteful number, since it uses less digits than its factorization.

314423021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23251.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 314423021 is about 17731.9773573056. The cubic root of 314423021 is about 679.9935271875.

Adding to 314423021 its reverse (120324413), we get a palindrome (434747434).

The spelling of 314423021 in words is "three hundred fourteen million, four hundred twenty-three thousand, twenty-one".

Divisors: 1 11 1303 14333 21937 241307 28583911 314423021