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30340692 = 2232312877
BaseRepresentation
bin111001110111…
…1011001010100
32010002110121100
41303233121110
530231400232
63002150100
7515614554
oct163573124
963073540
1030340692
1116143458
12a1b2330
136394095
14405b164
1529e4c7c
hex1cef654

30340692 has 54 divisors (see below), whose sum is σ = 79338714. Its totient is φ = 9776160.

The previous prime is 30340637. The next prime is 30340741. The reversal of 30340692 is 29604303.

It can be written as a sum of positive squares in only one way, i.e., 29095236 + 1245456 = 5394^2 + 1116^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34158 + ... + 35034.

Almost surely, 230340692 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 30340692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39669357).

30340692 is an abundant number, since it is smaller than the sum of its proper divisors (48998022).

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

30340692 is a wasteful number, since it uses less digits than its factorization.

30340692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 30340692 is about 5508.2385569254. The cubic root of 30340692 is about 311.8950583951.

Adding to 30340692 its reverse (29604303), we get a palindrome (59944995).

The spelling of 30340692 in words is "thirty million, three hundred forty thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 877 961 1116 1754 1922 2631 2883 3508 3844 5262 5766 7893 8649 10524 11532 15786 17298 27187 31572 34596 54374 81561 108748 163122 244683 326244 489366 842797 978732 1685594 2528391 3371188 5056782 7585173 10113564 15170346 30340692