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30410141 = 31397157
BaseRepresentation
bin111010000000…
…0010110011101
32010012222212112
41310000112131
530241111031
63003443405
7516324206
oct164002635
963188775
1030410141
1116190653
12a226565
1363b9888
1440785ad
152a0a62b
hex1d0059d

30410141 has 4 divisors (see below), whose sum is σ = 30507612. Its totient is φ = 30312672.

The previous prime is 30410137. The next prime is 30410153. The reversal of 30410141 is 14101403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2805625 + 27604516 = 1675^2 + 5254^2 .

It is a cyclic number.

It is not a de Polignac number, because 30410141 - 22 = 30410137 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 (30410641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48266 + ... + 48891.

It is an arithmetic number, because the mean of its divisors is an integer number (7626903).

Almost surely, 230410141 is an apocalyptic number.

It is an amenable number.

30410141 is a deficient number, since it is larger than the sum of its proper divisors (97471).

30410141 is an equidigital number, since it uses as much as digits as its factorization.

30410141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97470.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 30410141 is about 5514.5390559865. The cubic root of 30410141 is about 312.1328500920.

Adding to 30410141 its reverse (14101403), we get a palindrome (44511544).

The spelling of 30410141 in words is "thirty million, four hundred ten thousand, one hundred forty-one".

Divisors: 1 313 97157 30410141