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30264320 = 210523257
BaseRepresentation
bin111001101110…
…0110000000000
32002221120211202
41303130300000
530221424240
63000400332
7515146112
oct163346000
962846752
1030264320
11160a1039
12a1760a8
1363683a8
14403b3b2
1529cc315
hex1cdcc00

30264320 has 88 divisors (see below), whose sum is σ = 76050144. Its totient is φ = 11534336.

The previous prime is 30264319. The next prime is 30264329. The reversal of 30264320 is 2346203.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30264292 and 30264301.

It is not an unprimeable number, because it can be changed into a prime (30264329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117632 + ... + 117888.

Almost surely, 230264320 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 30264320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38025072).

30264320 is an abundant number, since it is smaller than the sum of its proper divisors (45785824).

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

30264320 is a wasteful number, since it uses less digits than its factorization.

30264320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 30264320 is about 5501.3016641519. The cubic root of 30264320 is about 311.6331432132.

The spelling of 30264320 in words is "thirty million, two hundred sixty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 64 80 92 115 128 160 184 230 256 257 320 368 460 512 514 640 736 920 1024 1028 1280 1285 1472 1840 2056 2560 2570 2944 3680 4112 5120 5140 5888 5911 7360 8224 10280 11776 11822 14720 16448 20560 23552 23644 29440 29555 32896 41120 47288 58880 59110 65792 82240 94576 117760 118220 131584 164480 189152 236440 263168 328960 378304 472880 657920 756608 945760 1315840 1513216 1891520 3026432 3783040 6052864 7566080 15132160 30264320