Search a number
-
+
30476423 = 169717959
BaseRepresentation
bin111010001000…
…0100010000111
32010100100210102
41310100202013
530300221143
63005114315
7520021355
oct164204207
963310712
1030476423
111622642a
12a25899b
136410ab3
1440947d5
152a200b8
hex1d10887

30476423 has 4 divisors (see below), whose sum is σ = 30496080. Its totient is φ = 30456768.

The previous prime is 30476387. The next prime is 30476443. The reversal of 30476423 is 32467403.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30476423 - 210 = 30475399 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 (30476443) 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, 7283 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (7624020).

Almost surely, 230476423 is an apocalyptic number.

30476423 is a deficient number, since it is larger than the sum of its proper divisors (19657).

30476423 is a wasteful number, since it uses less digits than its factorization.

30476423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19656.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 30476423 is about 5520.5455346370. The cubic root of 30476423 is about 312.3594606453.

The spelling of 30476423 in words is "thirty million, four hundred seventy-six thousand, four hundred twenty-three".

Divisors: 1 1697 17959 30476423