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30522 = 235087
BaseRepresentation
bin111011100111010
31112212110
413130322
51434042
6353150
7154662
oct73472
945773
1030522
1120a28
12157b6
1310b7b
14b1a2
15909c
hex773a

30522 has 8 divisors (see below), whose sum is σ = 61056. Its totient is φ = 10172.

The previous prime is 30517. The next prime is 30529. The reversal of 30522 is 22503.

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

30522 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 30498 and 30507.

It is not an unprimeable number, because it can be changed into a prime (30529) 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, 2538 + ... + 2549.

It is an arithmetic number, because the mean of its divisors is an integer number (7632).

230522 is an apocalyptic number.

30522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30528).

30522 is a wasteful number, since it uses less digits than its factorization.

30522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 30522 is about 174.7054664285. The cubic root of 30522 is about 31.2515092604.

The spelling of 30522 in words is "thirty thousand, five hundred twenty-two".

Divisors: 1 2 3 6 5087 10174 15261 30522