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323421401 = 19711971217
BaseRepresentation
bin10011010001110…
…000010011011001
3211112120111202102
4103101300103121
51130243441101
652032013145
711005015352
oct2321602331
9745514672
10323421401
11156621316
12903911b5
135200b614
1430d4cd29
151d5d886b
hex134704d9

323421401 has 16 divisors (see below), whose sum is σ = 347276160. Its totient is φ = 300303360.

The previous prime is 323421391. The next prime is 323421431. The reversal of 323421401 is 104124323.

It is a de Polignac number, because none of the positive numbers 2k-323421401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (323421431) 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 15 ways as a sum of consecutive naturals, for example, 265145 + ... + 266361.

It is an arithmetic number, because the mean of its divisors is an integer number (21704760).

Almost surely, 2323421401 is an apocalyptic number.

It is an amenable number.

323421401 is a deficient number, since it is larger than the sum of its proper divisors (23854759).

323421401 is a wasteful number, since it uses less digits than its factorization.

323421401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 323421401 is about 17983.9206237127. The cubic root of 323421401 is about 686.4194559204.

Adding to 323421401 its reverse (104124323), we get a palindrome (427545724).

The spelling of 323421401 in words is "three hundred twenty-three million, four hundred twenty-one thousand, four hundred one".

Divisors: 1 19 71 197 1217 1349 3743 13987 23123 86407 239749 265753 1641733 4555231 17022179 323421401