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30199320 = 23325149563
BaseRepresentation
bin111001100110…
…0111000011000
32002211021200100
41303030320120
530212334240
62555135400
7514455444
oct163147030
962737610
1030199320
1116057218
12a144560
136344928
144021824
1529b7e30
hex1ccce18

30199320 has 96 divisors (see below), whose sum is σ = 98982000. Its totient is φ = 7984896.

The previous prime is 30199277. The next prime is 30199339. The reversal of 30199320 is 2399103.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53359 + ... + 53921.

Almost surely, 230199320 is an apocalyptic number.

30199320 is a gapful number since it is divisible by the number (30) 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 30199320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49491000).

30199320 is an abundant number, since it is smaller than the sum of its proper divisors (68782680).

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

30199320 is a wasteful number, since it uses less digits than its factorization.

30199320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 30199320 is about 5495.3907959307. The cubic root of 30199320 is about 311.4098806022.

The spelling of 30199320 in words is "thirty million, one hundred ninety-nine thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 149 180 298 360 447 563 596 745 894 1126 1192 1341 1490 1689 1788 2235 2252 2682 2815 2980 3378 3576 4470 4504 5067 5364 5630 5960 6705 6756 8445 8940 10134 10728 11260 13410 13512 16890 17880 20268 22520 25335 26820 33780 40536 50670 53640 67560 83887 101340 167774 202680 251661 335548 419435 503322 671096 754983 838870 1006644 1258305 1509966 1677740 2013288 2516610 3019932 3355480 3774915 5033220 6039864 7549830 10066440 15099660 30199320