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30938295 = 352062553
BaseRepresentation
bin111011000000…
…1010010110111
32011012211100210
41312001102313
530410011140
63023040503
7523654053
oct166012267
964184323
1030938295
1116511443
12a440133
1365430ab
144174c63
152ab1d80
hex1d814b7

30938295 has 8 divisors (see below), whose sum is σ = 49501296. Its totient is φ = 16500416.

The previous prime is 30938221. The next prime is 30938309. The reversal of 30938295 is 59283903.

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

It is a cyclic number.

It is not a de Polignac number, because 30938295 - 212 = 30934199 is a prime.

It is a super-3 number, since 3×309382953 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1031262 + ... + 1031291.

It is an arithmetic number, because the mean of its divisors is an integer number (6187662).

Almost surely, 230938295 is an apocalyptic number.

30938295 is a deficient number, since it is larger than the sum of its proper divisors (18563001).

30938295 is a wasteful number, since it uses less digits than its factorization.

30938295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062561.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 30938295 is about 5562.2203300481. The cubic root of 30938295 is about 313.9294978772.

The spelling of 30938295 in words is "thirty million, nine hundred thirty-eight thousand, two hundred ninety-five".

Divisors: 1 3 5 15 2062553 6187659 10312765 30938295