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30994224 = 243645713
BaseRepresentation
bin111011000111…
…0111100110000
32011022200002020
41312032330300
530413303344
63024151440
7524306112
oct166167460
964280066
1030994224
111654a468
12a468580
1365626a1
14418b3b2
152ac3719
hex1d8ef30

30994224 has 20 divisors (see below), whose sum is σ = 80068536. Its totient is φ = 10331392.

The previous prime is 30994217. The next prime is 30994277. The reversal of 30994224 is 42249903.

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, 322809 + ... + 322904.

Almost surely, 230994224 is an apocalyptic number.

It is an amenable number.

30994224 is an abundant number, since it is smaller than the sum of its proper divisors (49074312).

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

30994224 is a wasteful number, since it uses less digits than its factorization.

30994224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645724 (or 645718 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 30994224 is about 5567.2456385541. The cubic root of 30994224 is about 314.1185536889.

The spelling of 30994224 in words is "thirty million, nine hundred ninety-four thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 645713 1291426 1937139 2582852 3874278 5165704 7748556 10331408 15497112 30994224