Search a number
-
+
30355554 = 235059259
BaseRepresentation
bin111001111001…
…1000001100010
32010010012222210
41303303001202
530232334204
63002342550
7516006105
oct163630142
963105883
1030355554
1116153639
12a1baa56
13639aa88
14406273c
1529e9389
hex1cf3062

30355554 has 8 divisors (see below), whose sum is σ = 60711120. Its totient is φ = 10118516.

The previous prime is 30355511. The next prime is 30355573. The reversal of 30355554 is 45555303.

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

30355554 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2529624 + ... + 2529635.

It is an arithmetic number, because the mean of its divisors is an integer number (7588890).

Almost surely, 230355554 is an apocalyptic number.

30355554 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.

30355554 is a wasteful number, since it uses less digits than its factorization.

30355554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059264.

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 30355554 is about 5509.5874618704. The cubic root of 30355554 is about 311.9459760175.

The spelling of 30355554 in words is "thirty million, three hundred fifty-five thousand, five hundred fifty-four".

Divisors: 1 2 3 6 5059259 10118518 15177777 30355554