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30093321 = 319237751
BaseRepresentation
bin111001011001…
…1000000001001
32002121220021110
41302303000021
530200441241
62553000533
7513534426
oct162630011
962556243
1030093321
1115a94615
12a0b3149
1363085cb
143dd4d4d
152996816
hex1cb3009

30093321 has 24 divisors (see below), whose sum is σ = 43549824. Its totient is φ = 18468000.

The previous prime is 30093319. The next prime is 30093331. The reversal of 30093321 is 12339003.

It is not a de Polignac number, because 30093321 - 21 = 30093319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30093331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39696 + ... + 40446.

It is an arithmetic number, because the mean of its divisors is an integer number (1814576).

Almost surely, 230093321 is an apocalyptic number.

It is an amenable number.

30093321 is a deficient number, since it is larger than the sum of its proper divisors (13456503).

30093321 is a wasteful number, since it uses less digits than its factorization.

30093321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 30093321 is about 5485.7379631185. The cubic root of 30093321 is about 311.0451060324.

The spelling of 30093321 in words is "thirty million, ninety-three thousand, three hundred twenty-one".

Divisors: 1 3 19 37 57 111 361 703 751 1083 2109 2253 13357 14269 27787 40071 42807 83361 271111 527953 813333 1583859 10031107 30093321