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30214741 = 1032331259
BaseRepresentation
bin111001101000…
…0101001010101
32002212001211111
41303100221111
530213332431
62555335021
7514551424
oct163205125
962761744
1030214741
1116067867
12a151471
13634b95b
1440272bb
1529bc7b1
hex1cd0a55

30214741 has 8 divisors (see below), whose sum is σ = 30663360. Its totient is φ = 29769312.

The previous prime is 30214733. The next prime is 30214747. The reversal of 30214741 is 14741203.

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 30214741 - 23 = 30214733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30214747) 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, 23370 + ... + 24628.

It is an arithmetic number, because the mean of its divisors is an integer number (3832920).

Almost surely, 230214741 is an apocalyptic number.

It is an amenable number.

30214741 is a deficient number, since it is larger than the sum of its proper divisors (448619).

30214741 is a wasteful number, since it uses less digits than its factorization.

30214741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 30214741 is about 5496.7937017865. The cubic root of 30214741 is about 311.4628777623.

Adding to 30214741 its reverse (14741203), we get a palindrome (44955944).

The spelling of 30214741 in words is "thirty million, two hundred fourteen thousand, seven hundred forty-one".

Divisors: 1 103 233 1259 23999 129677 293347 30214741