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30424573 = 295710289
BaseRepresentation
bin111010000001…
…1110111111101
32010020201200001
41310003313331
530242041243
63004034301
7516414244
oct164036775
963221601
1030424573
11161a0483
12a232991
1363c330a
14407d95b
152a0ea4d
hex1d03dfd

30424573 has 4 divisors (see below), whose sum is σ = 30437820. Its totient is φ = 30411328.

The previous prime is 30424553. The next prime is 30424579. The reversal of 30424573 is 37542403.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16867449 + 13557124 = 4107^2 + 3682^2 .

It is a cyclic number.

It is not a de Polignac number, because 30424573 - 29 = 30424061 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 (30424579) 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, 2188 + ... + 8101.

It is an arithmetic number, because the mean of its divisors is an integer number (7609455).

Almost surely, 230424573 is an apocalyptic number.

It is an amenable number.

30424573 is a deficient number, since it is larger than the sum of its proper divisors (13247).

30424573 is a wasteful number, since it uses less digits than its factorization.

30424573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13246.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 30424573 is about 5515.8474416902. The cubic root of 30424573 is about 312.1822194659.

Adding to 30424573 its reverse (37542403), we get a palindrome (67966976).

The spelling of 30424573 in words is "thirty million, four hundred twenty-four thousand, five hundred seventy-three".

Divisors: 1 2957 10289 30424573