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30628352 = 29163367
BaseRepresentation
bin111010011010…
…1101000000000
32010122002012102
41310311220000
530320101402
63012245532
7521223326
oct164655000
963562172
1030628352
111631a597
12a3108a8
136464cb1
1440d3d16
152a50102
hex1d35a00

30628352 has 40 divisors (see below), whose sum is σ = 61740096. Its totient is φ = 15178752.

The previous prime is 30628337. The next prime is 30628363. The reversal of 30628352 is 25382603.

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, 83273 + ... + 83639.

Almost surely, 230628352 is an apocalyptic number.

30628352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30628352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30870048).

30628352 is an abundant number, since it is smaller than the sum of its proper divisors (31111744).

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

30628352 is an equidigital number, since it uses as much as digits as its factorization.

30628352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 30628352 is about 5534.2887528570. The cubic root of 30628352 is about 312.8776515898.

The spelling of 30628352 in words is "thirty million, six hundred twenty-eight thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 163 256 326 367 512 652 734 1304 1468 2608 2936 5216 5872 10432 11744 20864 23488 41728 46976 59821 83456 93952 119642 187904 239284 478568 957136 1914272 3828544 7657088 15314176 30628352