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30424656 = 243372463
BaseRepresentation
bin111010000001…
…1111001010000
32010020201210010
41310003321100
530242042111
63004034520
7516414423
oct164037120
963221703
1030424656
11161a0549
12a232a40
1363c3372
14407d9ba
152a0eaa6
hex1d03e50

30424656 has 60 divisors (see below), whose sum is σ = 80953152. Its totient is φ = 9846144.

The previous prime is 30424649. The next prime is 30424673. The reversal of 30424656 is 65642403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65481 + ... + 65943.

Almost surely, 230424656 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 30424656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40476576).

30424656 is an abundant number, since it is smaller than the sum of its proper divisors (50528496).

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

30424656 is a wasteful number, since it uses less digits than its factorization.

30424656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 30424656 is about 5515.8549654609. The cubic root of 30424656 is about 312.1825033494.

The spelling of 30424656 in words is "thirty million, four hundred twenty-four thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 37 48 74 111 148 222 296 444 463 592 888 926 1369 1389 1776 1852 2738 2778 3704 4107 5476 5556 7408 8214 10952 11112 16428 17131 21904 22224 32856 34262 51393 65712 68524 102786 137048 205572 274096 411144 633847 822288 1267694 1901541 2535388 3803082 5070776 7606164 10141552 15212328 30424656