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30717132 = 22347107509
BaseRepresentation
bin111010100101…
…1010011001100
32010210120222120
41311023103030
530330422012
63014212540
7522043215
oct165132314
963716876
1030717132
1116380266
12a354150
136496524
14411840c
152a6b58c
hex1d4b4cc

30717132 has 48 divisors (see below), whose sum is σ = 74027520. Its totient is φ = 9908032.

The previous prime is 30717107. The next prime is 30717139. The reversal of 30717132 is 23171703.

It is not an unprimeable number, because it can be changed into a prime (30717139) 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 15 ways as a sum of consecutive naturals, for example, 60094 + ... + 60602.

It is an arithmetic number, because the mean of its divisors is an integer number (1542240).

Almost surely, 230717132 is an apocalyptic number.

It is an amenable number.

30717132 is an abundant number, since it is smaller than the sum of its proper divisors (43310388).

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

30717132 is a wasteful number, since it uses less digits than its factorization.

30717132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 30717132 is about 5542.3038530921. The cubic root of 30717132 is about 313.1796646010.

Adding to 30717132 its reverse (23171703), we get a palindrome (53888835).

The spelling of 30717132 in words is "thirty million, seven hundred seventeen thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 47 94 107 141 188 214 282 321 428 509 564 642 1018 1284 1527 2036 3054 5029 6108 10058 15087 20116 23923 30174 47846 54463 60348 71769 95692 108926 143538 163389 217852 287076 326778 653556 2559761 5119522 7679283 10239044 15358566 30717132