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514038421 = 1339541417
BaseRepresentation
bin11110101000111…
…001101010010101
31022211020212011001
4132220321222111
52023043212141
6123001343301
715511153201
oct3650715225
91284225131
10514038421
11244185746
12124197b31
138265bb60
144c3abb01
15301dca31
hex1ea39a95

514038421 has 4 divisors (see below), whose sum is σ = 553579852. Its totient is φ = 474496992.

The previous prime is 514038419. The next prime is 514038449. The reversal of 514038421 is 124830415.

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

It can be written as a sum of positive squares in 2 ways, for example, as 168636196 + 345402225 = 12986^2 + 18585^2 .

It is a cyclic number.

It is not a de Polignac number, because 514038421 - 21 = 514038419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 514038421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514038461) 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, 19770696 + ... + 19770721.

It is an arithmetic number, because the mean of its divisors is an integer number (138394963).

Almost surely, 2514038421 is an apocalyptic number.

It is an amenable number.

514038421 is a deficient number, since it is larger than the sum of its proper divisors (39541431).

514038421 is a wasteful number, since it uses less digits than its factorization.

514038421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39541430.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 514038421 is about 22672.4154205060. The cubic root of 514038421 is about 801.0602717631.

Adding to 514038421 its reverse (124830415), we get a palindrome (638868836).

The spelling of 514038421 in words is "five hundred fourteen million, thirty-eight thousand, four hundred twenty-one".

Divisors: 1 13 39541417 514038421