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30522593 = 139219587
BaseRepresentation
bin111010001101…
…1110011100001
32010102201010102
41310123303201
530303210333
63010112145
7520303103
oct164336341
963381112
1030522593
1116258092
12a27b655
136428b0a
1440a7573
152a2dae8
hex1d1bce1

30522593 has 4 divisors (see below), whose sum is σ = 30742320. Its totient is φ = 30302868.

The previous prime is 30522581. The next prime is 30522619. The reversal of 30522593 is 39522503.

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.

It is a cyclic number.

It is not a de Polignac number, because 30522593 - 24 = 30522577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30522523) 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, 109655 + ... + 109932.

It is an arithmetic number, because the mean of its divisors is an integer number (7685580).

Almost surely, 230522593 is an apocalyptic number.

It is an amenable number.

30522593 is a deficient number, since it is larger than the sum of its proper divisors (219727).

30522593 is a wasteful number, since it uses less digits than its factorization.

30522593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219726.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 30522593 is about 5524.7256040459. The cubic root of 30522593 is about 312.5171165025.

The spelling of 30522593 in words is "thirty million, five hundred twenty-two thousand, five hundred ninety-three".

Divisors: 1 139 219587 30522593