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30355401 = 310118467
BaseRepresentation
bin111001111001…
…0111111001001
32010010012210010
41303302333021
530232333101
63002342133
7516005466
oct163627711
963105703
1030355401
111615350a
12a1ba949
13639a99b
14406266d
1529e92d6
hex1cf2fc9

30355401 has 4 divisors (see below), whose sum is σ = 40473872. Its totient is φ = 20236932.

The previous prime is 30355397. The next prime is 30355427. The reversal of 30355401 is 10455303.

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 not a de Polignac number, because 30355401 - 22 = 30355397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30355201) 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, 5059231 + ... + 5059236.

It is an arithmetic number, because the mean of its divisors is an integer number (10118468).

Almost surely, 230355401 is an apocalyptic number.

It is an amenable number.

30355401 is a deficient number, since it is larger than the sum of its proper divisors (10118471).

30355401 is a wasteful number, since it uses less digits than its factorization.

30355401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10118470.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 30355401 is about 5509.5735769658. The cubic root of 30355401 is about 311.9454519200.

The spelling of 30355401 in words is "thirty million, three hundred fifty-five thousand, four hundred one".

Divisors: 1 3 10118467 30355401