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30001346 = 283180731
BaseRepresentation
bin111001001110…
…0100011000010
32002110020002222
41302130203002
530140020341
62551011042
7513002324
oct162344302
962406088
1030001346
1115a31501
12a069a82
1362a579b
143dad614
15297944b
hex1c9c8c2

30001346 has 8 divisors (see below), whose sum is σ = 45544464. Its totient is φ = 14819860.

The previous prime is 30001333. The next prime is 30001351. The reversal of 30001346 is 64310003.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90200 + ... + 90531.

It is an arithmetic number, because the mean of its divisors is an integer number (5693058).

Almost surely, 230001346 is an apocalyptic number.

30001346 is a deficient number, since it is larger than the sum of its proper divisors (15543118).

30001346 is a wasteful number, since it uses less digits than its factorization.

30001346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180816.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30001346 is about 5477.3484461005. The cubic root of 30001346 is about 310.7278975647.

Adding to 30001346 its reverse (64310003), we get a palindrome (94311349).

The spelling of 30001346 in words is "thirty million, one thousand, three hundred forty-six".

Divisors: 1 2 83 166 180731 361462 15000673 30001346