Search a number
-
+
30423605 = 538315887
BaseRepresentation
bin111010000001…
…1101000110101
32010020200100012
41310003220311
530242023410
63004030005
7516411362
oct164035065
963220305
1030423605
111619a783
12a232305
1363c2a44
14407d469
152a0e605
hex1d03a35

30423605 has 8 divisors (see below), whose sum is σ = 36605952. Its totient is φ = 24273808.

The previous prime is 30423563. The next prime is 30423619. The reversal of 30423605 is 50632403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30423605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6029 + ... + 9858.

It is an arithmetic number, because the mean of its divisors is an integer number (4575744).

Almost surely, 230423605 is an apocalyptic number.

It is an amenable number.

30423605 is a deficient number, since it is larger than the sum of its proper divisors (6182347).

30423605 is a wasteful number, since it uses less digits than its factorization.

30423605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16275.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 30423605 is about 5515.7596938228. The cubic root of 30423605 is about 312.1789085940.

The spelling of 30423605 in words is "thirty million, four hundred twenty-three thousand, six hundred five".

Divisors: 1 5 383 1915 15887 79435 6084721 30423605