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30538224 = 2432316841
BaseRepresentation
bin111010001111…
…1100111110000
32010110111120100
41310133213300
530304210344
63010312400
7520366503
oct164374760
963414510
1030538224
1116268902
12a288700
136432c72
1440ad13a
152a33569
hex1d1f9f0

30538224 has 60 divisors (see below), whose sum is σ = 88234432. Its totient is φ = 9849600.

The previous prime is 30538217. The next prime is 30538231. The reversal of 30538224 is 42283503.

It is an interprime number because it is at equal distance from previous prime (30538217) and next prime (30538231).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1044 + ... + 7884.

Almost surely, 230538224 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 30538224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44117216).

30538224 is an abundant number, since it is smaller than the sum of its proper divisors (57696208).

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

30538224 is a wasteful number, since it uses less digits than its factorization.

30538224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886 (or 6877 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 30538224 is about 5526.1400633715. The cubic root of 30538224 is about 312.5704553675.

The spelling of 30538224 in words is "thirty million, five hundred thirty-eight thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 36 48 62 72 93 124 144 186 248 279 372 496 558 744 1116 1488 2232 4464 6841 13682 20523 27364 41046 54728 61569 82092 109456 123138 164184 212071 246276 328368 424142 492552 636213 848284 985104 1272426 1696568 1908639 2544852 3393136 3817278 5089704 7634556 10179408 15269112 30538224