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3213442 = 21794513
BaseRepresentation
bin1100010000100010000010
320001021000101
430100202002
51310312232
6152513014
736212431
oct14204202
96037011
103213442
1118a5341
1210ab76a
1388685b
145d9118
154371e7
hex310882

3213442 has 8 divisors (see below), whose sum is σ = 5103756. Its totient is φ = 1512192.

The previous prime is 3213439. The next prime is 3213473. The reversal of 3213442 is 2443123.

It can be written as a sum of positive squares in 2 ways, for example, as 2792241 + 421201 = 1671^2 + 649^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47223 + ... + 47290.

Almost surely, 23213442 is an apocalyptic number.

3213442 is a deficient number, since it is larger than the sum of its proper divisors (1890314).

3213442 is a wasteful number, since it uses less digits than its factorization.

3213442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94532.

The product of its digits is 576, while the sum is 19.

The square root of 3213442 is about 1792.6075978864. The cubic root of 3213442 is about 147.5673081681.

Adding to 3213442 its reverse (2443123), we get a palindrome (5656565).

It can be divided in two parts, 3213 and 442, that added together give a triangular number (3655 = T85).

The spelling of 3213442 in words is "three million, two hundred thirteen thousand, four hundred forty-two".

Divisors: 1 2 17 34 94513 189026 1606721 3213442