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314041021 = 744863003
BaseRepresentation
bin10010101101111…
…110001010111101
3210212220221021221
4102231332022331
51120343303041
651054553341
710532206330
oct2255761275
9725827257
10314041021
111512a4738
1289208851
13500a5ab8
142d9ca617
151c8842d1
hex12b7e2bd

314041021 has 4 divisors (see below), whose sum is σ = 358904032. Its totient is φ = 269178012.

The previous prime is 314041003. The next prime is 314041043. The reversal of 314041021 is 120140413.

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: 120140413 = 472556179.

It is a cyclic number.

It is not a de Polignac number, because 314041021 - 221 = 311943869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 314040986 and 314041004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314041061) 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, 22431495 + ... + 22431508.

It is an arithmetic number, because the mean of its divisors is an integer number (89726008).

Almost surely, 2314041021 is an apocalyptic number.

It is an amenable number.

314041021 is a deficient number, since it is larger than the sum of its proper divisors (44863011).

314041021 is an equidigital number, since it uses as much as digits as its factorization.

314041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44863010.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 314041021 is about 17721.2025833463. The cubic root of 314041021 is about 679.7180354918.

Adding to 314041021 its reverse (120140413), we get a palindrome (434181434).

The spelling of 314041021 in words is "three hundred fourteen million, forty-one thousand, twenty-one".

Divisors: 1 7 44863003 314041021