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30301392 = 2431157389
BaseRepresentation
bin111001110010…
…1110011010000
32010000110200210
41303211303100
530224121032
63001244120
7515362152
oct163456320
963013623
1030301392
1116116980
12a193640
13637c224
14404aad2
1529d82cc
hex1ce5cd0

30301392 has 40 divisors (see below), whose sum is σ = 85396320. Its totient is φ = 9182080.

The previous prime is 30301379. The next prime is 30301399. The reversal of 30301392 is 29310303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30301399) 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 7 ways as a sum of consecutive naturals, for example, 28167 + ... + 29222.

It is an arithmetic number, because the mean of its divisors is an integer number (2134908).

Almost surely, 230301392 is an apocalyptic number.

It is an amenable number.

30301392 is an abundant number, since it is smaller than the sum of its proper divisors (55094928).

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

30301392 is a wasteful number, since it uses less digits than its factorization.

30301392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57411 (or 57405 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 30301392 is about 5504.6700173580. The cubic root of 30301392 is about 311.7603353424.

Adding to 30301392 its reverse (29310303), we get a palindrome (59611695).

The spelling of 30301392 in words is "thirty million, three hundred one thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 57389 114778 172167 229556 344334 459112 631279 688668 918224 1262558 1377336 1893837 2525116 2754672 3787674 5050232 7575348 10100464 15150696 30301392