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30349541 = 59514399
BaseRepresentation
bin111001111000…
…1100011100101
32010002220202002
41303301203211
530232141131
63002255045
7515652425
oct163614345
963086662
1030349541
111614a072
12a1b7485
136398111
144060485
1529e76cb
hex1cf18e5

30349541 has 4 divisors (see below), whose sum is σ = 30864000. Its totient is φ = 29835084.

The previous prime is 30349523. The next prime is 30349567. The reversal of 30349541 is 14594303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30349541 - 26 = 30349477 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 (30349741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257141 + ... + 257258.

It is an arithmetic number, because the mean of its divisors is an integer number (7716000).

Almost surely, 230349541 is an apocalyptic number.

It is an amenable number.

30349541 is a deficient number, since it is larger than the sum of its proper divisors (514459).

30349541 is an equidigital number, since it uses as much as digits as its factorization.

30349541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514458.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 30349541 is about 5509.0417497057. The cubic root of 30349541 is about 311.9253773157.

The spelling of 30349541 in words is "thirty million, three hundred forty-nine thousand, five hundred forty-one".

Divisors: 1 59 514399 30349541