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30933393 = 341251491
BaseRepresentation
bin111011000000…
…0000110010001
32011012120122020
41312000012101
530404332033
63023002053
7523633551
oct166000621
964176566
1030933393
1116508797
12a439329
136540aaa
144173161
152ab06b3
hex1d80191

30933393 has 8 divisors (see below), whose sum is σ = 42250656. Its totient is φ = 20119200.

The previous prime is 30933391. The next prime is 30933433. The reversal of 30933393 is 39333903.

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

It is not a de Polignac number, because 30933393 - 21 = 30933391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30933391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125623 + ... + 125868.

It is an arithmetic number, because the mean of its divisors is an integer number (5281332).

Almost surely, 230933393 is an apocalyptic number.

It is an amenable number.

30933393 is a deficient number, since it is larger than the sum of its proper divisors (11317263).

30933393 is a wasteful number, since it uses less digits than its factorization.

30933393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251535.

The product of its (nonzero) digits is 19683, while the sum is 33.

The square root of 30933393 is about 5561.7796612236. The cubic root of 30933393 is about 313.9129168764.

The spelling of 30933393 in words is "thirty million, nine hundred thirty-three thousand, three hundred ninety-three".

Divisors: 1 3 41 123 251491 754473 10311131 30933393