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30097200 = 2435273583
BaseRepresentation
bin111001011001…
…1111100110000
32002122002121010
41302303330300
530201102300
62553030520
7513551640
oct162637460
962562533
1030097200
1115a97521
12a0b5440
13630a2c3
143dd6520
152997a50
hex1cb3f30

30097200 has 120 divisors (see below), whose sum is σ = 110215168. Its totient is φ = 6877440.

The previous prime is 30097181. The next prime is 30097201. The reversal of 30097200 is 279003.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (30097201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6609 + ... + 10191.

Almost surely, 230097200 is an apocalyptic number.

30097200 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 30097200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55107584).

30097200 is an abundant number, since it is smaller than the sum of its proper divisors (80117968).

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

30097200 is a wasteful number, since it uses less digits than its factorization.

30097200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611 (or 3600 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 30097200 is about 5486.0915048876. The cubic root of 30097200 is about 311.0584699294.

It can be divided in two parts, 300 and 97200, that multiplied together give a square (29160000 = 54002).

The spelling of 30097200 in words is "thirty million, ninety-seven thousand, two hundred".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 35 40 42 48 50 56 60 70 75 80 84 100 105 112 120 140 150 168 175 200 210 240 280 300 336 350 400 420 525 560 600 700 840 1050 1200 1400 1680 2100 2800 3583 4200 7166 8400 10749 14332 17915 21498 25081 28664 35830 42996 50162 53745 57328 71660 75243 85992 89575 100324 107490 125405 143320 150486 171984 179150 200648 214980 250810 268725 286640 300972 358300 376215 401296 429960 501620 537450 601944 627025 716600 752430 859920 1003240 1074900 1203888 1254050 1433200 1504860 1881075 2006480 2149800 2508100 3009720 3762150 4299600 5016200 6019440 7524300 10032400 15048600 30097200