Search a number
-
+
30898995 = 352059933
BaseRepresentation
bin111010111011…
…1101100110011
32011010211110020
41311313230303
530402231440
63022134523
7523431351
oct165675463
964124406
1030898995
1116494966
12a421443
13652b23a
1441647d1
152aa53d0
hex1d77b33

30898995 has 8 divisors (see below), whose sum is σ = 49438416. Its totient is φ = 16479456.

The previous prime is 30898961. The next prime is 30899003. The reversal of 30898995 is 59989803.

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

It is not a de Polignac number, because 30898995 - 28 = 30898739 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029952 + ... + 1029981.

It is an arithmetic number, because the mean of its divisors is an integer number (6179802).

Almost surely, 230898995 is an apocalyptic number.

30898995 is a deficient number, since it is larger than the sum of its proper divisors (18539421).

30898995 is a wasteful number, since it uses less digits than its factorization.

30898995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059941.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 30898995 is about 5558.6864455553. The cubic root of 30898995 is about 313.7965164388.

The spelling of 30898995 in words is "thirty million, eight hundred ninety-eight thousand, nine hundred ninety-five".

Divisors: 1 3 5 15 2059933 6179799 10299665 30898995