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30254401 = 179169019
BaseRepresentation
bin111001101101…
…0010101000001
32002221002020101
41303122111001
530221120101
63000242401
7515105152
oct163322501
962832211
1030254401
1116094641
12a170401
136363a18
144037929
1529c9401
hex1cda541

30254401 has 4 divisors (see below), whose sum is σ = 30423600. Its totient is φ = 30085204.

The previous prime is 30254387. The next prime is 30254429. The reversal of 30254401 is 10445203.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10445203 = 16364081.

It is a cyclic number.

It is not a de Polignac number, because 30254401 - 25 = 30254369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30254431) 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, 84331 + ... + 84688.

It is an arithmetic number, because the mean of its divisors is an integer number (7605900).

Almost surely, 230254401 is an apocalyptic number.

It is an amenable number.

30254401 is a deficient number, since it is larger than the sum of its proper divisors (169199).

30254401 is a wasteful number, since it uses less digits than its factorization.

30254401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169198.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 30254401 is about 5500.4000763581. The cubic root of 30254401 is about 311.5990940214.

Adding to 30254401 its reverse (10445203), we get a palindrome (40699604).

The spelling of 30254401 in words is "thirty million, two hundred fifty-four thousand, four hundred one".

Divisors: 1 179 169019 30254401