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413449 = 6432
BaseRepresentation
bin1100100111100001001
3210000010221
41210330021
5101212244
612510041
73341251
oct1447411
9700127
10413449
112626a3
1217b321
1311625a
14aa961
1582784
hex64f09

413449 has 3 divisors (see below), whose sum is σ = 414093. Its totient is φ = 412806.

The previous prime is 413443. The next prime is 413461. The reversal of 413449 is 944314.

It is a happy number.

The square root of 413449 is 643.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 413449 - 25 = 413417 is a prime.

It is a Duffinian number.

413449 is a lucky number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (413443) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 322 + ... + 964.

It is an arithmetic number, because the mean of its divisors is an integer number (138031).

2413449 is an apocalyptic number.

413449 is the 643-rd square number.

413449 is the 322-nd centered octagonal number.

It is an amenable number.

413449 is a deficient number, since it is larger than the sum of its proper divisors (644).

413449 is an frugal number, since it uses more digits than its factorization.

413449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286 (or 643 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The cubic root of 413449 is about 74.4973198441.

Multiplying 413449 by its sum of digits (25), we get a square (10336225 = 32152).

It can be divided in two parts, 4134 and 49, that multiplied together give a triangular number (202566 = T636).

The spelling of 413449 in words is "four hundred thirteen thousand, four hundred forty-nine".

Divisors: 1 643 413449