Search a number
-
+
30556346 = 234943777
BaseRepresentation
bin111010010010…
…0000010111010
32010111102102112
41310210002322
530310300341
63010532322
7520503362
oct164440272
963442375
1030556346
1116280487
12a2970a2
13643b2a2
1440b59a2
152a38aeb
hex1d240ba

30556346 has 8 divisors (see below), whose sum is σ = 45966900. Its totient is φ = 15234048.

The previous prime is 30556333. The next prime is 30556369. The reversal of 30556346 is 64365503.

It can be written as a sum of positive squares in 2 ways, for example, as 29430625 + 1125721 = 5425^2 + 1061^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21191 + ... + 22586.

Almost surely, 230556346 is an apocalyptic number.

30556346 is a deficient number, since it is larger than the sum of its proper divisors (15410554).

30556346 is a wasteful number, since it uses less digits than its factorization.

30556346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44128.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 30556346 is about 5527.7794818535. The cubic root of 30556346 is about 312.6322716855.

The spelling of 30556346 in words is "thirty million, five hundred fifty-six thousand, three hundred forty-six".

Divisors: 1 2 349 698 43777 87554 15278173 30556346