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30243492 = 22322513347
BaseRepresentation
bin111001101011…
…1101010100100
32002220112021100
41303113222210
530220242432
63000120100
7515031306
oct163275244
962815240
1030243492
1116087424
12a166030
13635ba76
144033976
1529c607c
hex1cd7aa4

30243492 has 36 divisors (see below), whose sum is σ = 76776336. Its totient is φ = 10038000.

The previous prime is 30243469. The next prime is 30243511. The reversal of 30243492 is 29434203.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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, 7363 + ... + 10709.

It is an arithmetic number, because the mean of its divisors is an integer number (2132676).

Almost surely, 230243492 is an apocalyptic number.

It is an amenable number.

30243492 is an abundant number, since it is smaller than the sum of its proper divisors (46532844).

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

30243492 is a wasteful number, since it uses less digits than its factorization.

30243492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3608 (or 3603 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 30243492 is about 5499.4083318117. The cubic root of 30243492 is about 311.5616378383.

Adding to 30243492 its reverse (29434203), we get a palindrome (59677695).

The spelling of 30243492 in words is "thirty million, two hundred forty-three thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 251 502 753 1004 1506 2259 3012 3347 4518 6694 9036 10041 13388 20082 30123 40164 60246 120492 840097 1680194 2520291 3360388 5040582 7560873 10081164 15121746 30243492