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3212421 = 36311697
BaseRepresentation
bin1100010000010010000101
320001012121120
430100102011
51310244141
6152504153
736206442
oct14202205
96035546
103212421
1118a45a3
1210ab059
13886254
145d89c9
15436c66
hex310485

3212421 has 8 divisors (see below), whose sum is σ = 4292544. Its totient is φ = 2136960.

The previous prime is 3212413. The next prime is 3212423. The reversal of 3212421 is 1242123.

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

It is not a de Polignac number, because 3212421 - 23 = 3212413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3212421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045 + ... + 2741.

It is an arithmetic number, because the mean of its divisors is an integer number (536568).

Almost surely, 23212421 is an apocalyptic number.

It is an amenable number.

3212421 is a deficient number, since it is larger than the sum of its proper divisors (1080123).

3212421 is a wasteful number, since it uses less digits than its factorization.

3212421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331.

The product of its digits is 96, while the sum is 15.

The square root of 3212421 is about 1792.3227945881. The cubic root of 3212421 is about 147.5516777650.

Adding to 3212421 its reverse (1242123), we get a palindrome (4454544).

The spelling of 3212421 in words is "three million, two hundred twelve thousand, four hundred twenty-one".

Divisors: 1 3 631 1697 1893 5091 1070807 3212421