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30044160 = 212325163
BaseRepresentation
bin111001010011…
…1000000000000
32002112101211200
41302213000000
530142403120
62551541200
7513241206
oct162470000
962471750
1030044160
1115a60693
12a08a800
1362bc113
143dc1076
152986e90
hex1ca7000

30044160 has 156 divisors (see below), whose sum is σ = 104779272. Its totient is φ = 7962624.

The previous prime is 30044153. The next prime is 30044171. The reversal of 30044160 is 6144003.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184239 + ... + 184401.

It is an arithmetic number, because the mean of its divisors is an integer number (671662).

Almost surely, 230044160 is an apocalyptic number.

30044160 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 30044160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52389636).

30044160 is an abundant number, since it is smaller than the sum of its proper divisors (74735112).

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

30044160 is a wasteful number, since it uses less digits than its factorization.

30044160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 30044160 is about 5481.2553306702. The cubic root of 30044160 is about 310.8756373903.

Adding to 30044160 its reverse (6144003), we get a palindrome (36188163).

The spelling of 30044160 in words is "thirty million, forty-four thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 163 180 192 240 256 288 320 326 360 384 480 489 512 576 640 652 720 768 815 960 978 1024 1152 1280 1304 1440 1467 1536 1630 1920 1956 2048 2304 2445 2560 2608 2880 2934 3072 3260 3840 3912 4096 4608 4890 5120 5216 5760 5868 6144 6520 7335 7680 7824 9216 9780 10240 10432 11520 11736 12288 13040 14670 15360 15648 18432 19560 20480 20864 23040 23472 26080 29340 30720 31296 36864 39120 41728 46080 46944 52160 58680 61440 62592 78240 83456 92160 93888 104320 117360 125184 156480 166912 184320 187776 208640 234720 250368 312960 333824 375552 417280 469440 500736 625920 667648 751104 834560 938880 1001472 1251840 1502208 1669120 1877760 2002944 2503680 3004416 3338240 3755520 5007360 6008832 7511040 10014720 15022080 30044160