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30894334 = 237417491
BaseRepresentation
bin111010111011…
…0100011111110
32011010121001121
41311312203332
530402104314
63022101154
7523411642
oct165664376
964117047
1030894334
1116491409
12a41a7ba
136529093
144162c22
152aa3d24
hex1d768fe

30894334 has 8 divisors (see below), whose sum is σ = 47594088. Its totient is φ = 15029640.

The previous prime is 30894329. The next prime is 30894337. The reversal of 30894334 is 43349803.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30894334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30894337) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 208672 + ... + 208819.

It is an arithmetic number, because the mean of its divisors is an integer number (5949261).

Almost surely, 230894334 is an apocalyptic number.

30894334 is a deficient number, since it is larger than the sum of its proper divisors (16699754).

30894334 is a wasteful number, since it uses less digits than its factorization.

30894334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417530.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 30894334 is about 5558.2671760181. The cubic root of 30894334 is about 313.7807372944.

The spelling of 30894334 in words is "thirty million, eight hundred ninety-four thousand, three hundred thirty-four".

Divisors: 1 2 37 74 417491 834982 15447167 30894334