Search a number
-
+
30401203 = 74343029
BaseRepresentation
bin111001111111…
…0001010110011
32010012112121111
41303332022303
530240314303
63003334151
7516256150
oct163761263
963175544
1030401203
1116184968
12a221357
1363b57a1
144075227
152a07b6d
hex1cfe2b3

30401203 has 4 divisors (see below), whose sum is σ = 34744240. Its totient is φ = 26058168.

The previous prime is 30401177. The next prime is 30401207. The reversal of 30401203 is 30210403.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30401203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30401207) 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, 2171508 + ... + 2171521.

It is an arithmetic number, because the mean of its divisors is an integer number (8686060).

Almost surely, 230401203 is an apocalyptic number.

30401203 is a deficient number, since it is larger than the sum of its proper divisors (4343037).

30401203 is an equidigital number, since it uses as much as digits as its factorization.

30401203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343036.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30401203 is about 5513.7285932479. The cubic root of 30401203 is about 312.1022669083.

Adding to 30401203 its reverse (30210403), we get a palindrome (60611606).

The spelling of 30401203 in words is "thirty million, four hundred one thousand, two hundred three".

Divisors: 1 7 4343029 30401203