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30026232 = 23321947467
BaseRepresentation
bin111001010001…
…0100111111000
32002111111020200
41302202213320
530141314412
62551322200
7513135015
oct162424770
962444220
1030026232
1115a49175
12a080360
1362b3c02
143db870c
1529819dc
hex1ca29f8

30026232 has 96 divisors (see below), whose sum is σ = 87609600. Its totient is φ = 9260352.

The previous prime is 30026231. The next prime is 30026237. The reversal of 30026232 is 23262003.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30026231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64063 + ... + 64529.

It is an arithmetic number, because the mean of its divisors is an integer number (912600).

Almost surely, 230026232 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 30026232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43804800).

30026232 is an abundant number, since it is smaller than the sum of its proper divisors (57583368).

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

30026232 is a wasteful number, since it uses less digits than its factorization.

30026232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30026232 is about 5479.6196948328. The cubic root of 30026232 is about 310.8137896815.

Adding to 30026232 its reverse (23262003), we get a palindrome (53288235).

The spelling of 30026232 in words is "thirty million, twenty-six thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 36 38 47 57 72 76 94 114 141 152 171 188 228 282 342 376 423 456 467 564 684 846 893 934 1128 1368 1401 1692 1786 1868 2679 2802 3384 3572 3736 4203 5358 5604 7144 8037 8406 8873 10716 11208 16074 16812 17746 21432 21949 26619 32148 33624 35492 43898 53238 64296 65847 70984 79857 87796 106476 131694 159714 175592 197541 212952 263388 319428 395082 417031 526776 638856 790164 834062 1251093 1580328 1668124 2502186 3336248 3753279 5004372 7506558 10008744 15013116 30026232