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30369441 = 321147977
BaseRepresentation
bin111001111011…
…0011010100001
32010010221001010
41303312122201
530233310231
63002531133
7516064434
oct163663241
963127033
1030369441
1116163013
12a206aa9
1363a41ab
14406781b
1529ed546
hex1cf66a1

30369441 has 8 divisors (see below), whose sum is σ = 40685344. Its totient is φ = 20149920.

The previous prime is 30369431. The next prime is 30369457. The reversal of 30369441 is 14496303.

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

It is not a de Polignac number, because 30369441 - 26 = 30369377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30369399 and 30369408.

It is not an unprimeable number, because it can be changed into a prime (30369401) 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, 23356 + ... + 24621.

It is an arithmetic number, because the mean of its divisors is an integer number (5085668).

Almost surely, 230369441 is an apocalyptic number.

It is an amenable number.

30369441 is a deficient number, since it is larger than the sum of its proper divisors (10315903).

30369441 is a wasteful number, since it uses less digits than its factorization.

30369441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48191.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 30369441 is about 5510.8475754642. The cubic root of 30369441 is about 311.9935382455.

The spelling of 30369441 in words is "thirty million, three hundred sixty-nine thousand, four hundred forty-one".

Divisors: 1 3 211 633 47977 143931 10123147 30369441