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30902324 = 2271233467
BaseRepresentation
bin111010111100…
…0100000110100
32011011000000112
41311320200310
530402333244
63022202152
7523444145
oct165704064
964130015
1030902324
1116497412
12a423358
13652c8cb
144165acc
152aa639e
hex1d78834

30902324 has 24 divisors (see below), whose sum is σ = 55194048. Its totient is φ = 15135680.

The previous prime is 30902321. The next prime is 30902327. The reversal of 30902324 is 42320903.

It is an interprime number because it is at equal distance from previous prime (30902321) and next prime (30902327).

It is a self number, because there is not a number n which added to its sum of digits gives 30902324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30902321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65939 + ... + 66405.

It is an arithmetic number, because the mean of its divisors is an integer number (2299752).

Almost surely, 230902324 is an apocalyptic number.

It is an amenable number.

30902324 is a deficient number, since it is larger than the sum of its proper divisors (24291724).

30902324 is a wasteful number, since it uses less digits than its factorization.

30902324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 30902324 is about 5558.9858787372. The cubic root of 30902324 is about 313.8077853176.

The spelling of 30902324 in words is "thirty million, nine hundred two thousand, three hundred twenty-four".

Divisors: 1 2 4 71 142 233 284 466 467 932 934 1868 16543 33086 33157 66172 66314 108811 132628 217622 435244 7725581 15451162 30902324