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3134521 = 13241117
BaseRepresentation
bin1011111101010000111001
312220020202101
423331100321
51300301041
6151103401
735433355
oct13752071
95806671
103134521
111851015
121071b61
13859960
145b8465
1541db31
hex2fd439

3134521 has 4 divisors (see below), whose sum is σ = 3375652. Its totient is φ = 2893392.

The previous prime is 3134519. The next prime is 3134543. The reversal of 3134521 is 1254313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1254313 = 4130593.

It can be written as a sum of positive squares in 2 ways, for example, as 2134521 + 1000000 = 1461^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 3134521 - 21 = 3134519 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3134561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120546 + ... + 120571.

It is an arithmetic number, because the mean of its divisors is an integer number (843913).

Almost surely, 23134521 is an apocalyptic number.

It is an amenable number.

3134521 is a deficient number, since it is larger than the sum of its proper divisors (241131).

3134521 is a wasteful number, since it uses less digits than its factorization.

3134521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241130.

The product of its digits is 360, while the sum is 19.

The square root of 3134521 is about 1770.4578503879. The cubic root of 3134521 is about 146.3492140974.

Adding to 3134521 its reverse (1254313), we get a palindrome (4388834).

It can be divided in two parts, 3134 and 521, that added together give a triangular number (3655 = T85).

The spelling of 3134521 in words is "three million, one hundred thirty-four thousand, five hundred twenty-one".

Divisors: 1 13 241117 3134521