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30290112 = 26345843
BaseRepresentation
bin111001110001…
…1000011000000
32002222220020000
41303203003000
530223240422
63001120000
7515314236
oct163430300
962886200
1030290112
1116109456
12a189000
136377058
144046956
1529d4cac
hex1ce30c0

30290112 has 70 divisors (see below), whose sum is σ = 89804748. Its totient is φ = 10094976.

The previous prime is 30290089. The next prime is 30290153. The reversal of 30290112 is 21109203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2263 + ... + 8105.

Almost surely, 230290112 is an apocalyptic number.

30290112 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 30290112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44902374).

30290112 is an abundant number, since it is smaller than the sum of its proper divisors (59514636).

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

30290112 is an equidigital number, since it uses as much as digits as its factorization.

30290112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5867 (or 5848 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 30290112 is about 5503.6453374105. The cubic root of 30290112 is about 311.7216452272.

Adding to 30290112 its reverse (21109203), we get a palindrome (51399315).

The spelling of 30290112 in words is "thirty million, two hundred ninety thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 144 162 192 216 288 324 432 576 648 864 1296 1728 2592 5184 5843 11686 17529 23372 35058 46744 52587 70116 93488 105174 140232 157761 186976 210348 280464 315522 373952 420696 473283 560928 631044 841392 946566 1121856 1262088 1682784 1893132 2524176 3365568 3786264 5048352 7572528 10096704 15145056 30290112