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30089232 = 243571109
BaseRepresentation
bin111001011001…
…0000000010000
32002121200200000
41302302000100
530200323412
62552530000
7513516465
oct162620020
962550600
1030089232
1115a91538
12a0b0900
1363067a4
143dd366c
1529954dc
hex1cb2010

30089232 has 120 divisors (see below), whose sum is σ = 89369280. Its totient is φ = 9797760.

The previous prime is 30089219. The next prime is 30089249. The reversal of 30089232 is 23298003.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 30089196 and 30089205.

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, 275994 + ... + 276102.

It is an arithmetic number, because the mean of its divisors is an integer number (744744).

Almost surely, 230089232 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 30089232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44684640).

30089232 is an abundant number, since it is smaller than the sum of its proper divisors (59280048).

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

30089232 is a wasteful number, since it uses less digits than its factorization.

30089232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 30089232 is about 5485.3652567536. The cubic root of 30089232 is about 311.0310174018.

The spelling of 30089232 in words is "thirty million, eighty-nine thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 71 72 81 108 109 142 144 162 213 216 218 243 284 324 327 426 432 436 486 568 639 648 654 852 872 972 981 1136 1278 1296 1308 1704 1744 1917 1944 1962 2556 2616 2943 3408 3834 3888 3924 5112 5232 5751 5886 7668 7739 7848 8829 10224 11502 11772 15336 15478 15696 17253 17658 23004 23217 23544 26487 30672 30956 34506 35316 46008 46434 47088 52974 61912 69012 69651 70632 92016 92868 105948 123824 138024 139302 141264 185736 208953 211896 276048 278604 371472 417906 423792 557208 626859 835812 1114416 1253718 1671624 1880577 2507436 3343248 3761154 5014872 7522308 10029744 15044616 30089232