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30589668 = 223247101179
BaseRepresentation
bin111010010110…
…0001011100100
32010120010010200
41310230023210
530312332133
63011350500
7521002464
oct164541344
963503120
1030589668
11162a351a
12a2b2430
1364504c5
1440c3ba4
152a43913
hex1d2c2e4

30589668 has 72 divisors (see below), whose sum is σ = 80196480. Its totient is φ = 9825600.

The previous prime is 30589633. The next prime is 30589673. The reversal of 30589668 is 86698503.

30589668 is a `hidden beast` number, since 3 + 0 + 589 + 6 + 68 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170803 + ... + 170981.

It is an arithmetic number, because the mean of its divisors is an integer number (1113840).

Almost surely, 230589668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30589668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40098240).

30589668 is an abundant number, since it is smaller than the sum of its proper divisors (49606812).

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

30589668 is a wasteful number, since it uses less digits than its factorization.

30589668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 30589668 is about 5530.7927099106. The cubic root of 30589668 is about 312.7458732709.

The spelling of 30589668 in words is "thirty million, five hundred eighty-nine thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 47 94 101 141 179 188 202 282 303 358 404 423 537 564 606 716 846 909 1074 1212 1611 1692 1818 2148 3222 3636 4747 6444 8413 9494 14241 16826 18079 18988 25239 28482 33652 36158 42723 50478 54237 56964 72316 75717 85446 100956 108474 151434 162711 170892 216948 302868 325422 650844 849713 1699426 2549139 3398852 5098278 7647417 10196556 15294834 30589668