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82908428 = 2229537019
BaseRepresentation
bin1001111000100…
…01010100001100
312210000011222112
410330101110030
5132211032203
612121003152
72024465351
oct474212414
9183004875
1082908428
1142888369
12239234b8
131423b155
14b022628
15742a6d8
hex4f1150c

82908428 has 12 divisors (see below), whose sum is σ = 145159560. Its totient is φ = 41434272.

The previous prime is 82908409. The next prime is 82908431. The reversal of 82908428 is 82480928.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8303 + ... + 15321.

It is an arithmetic number, because the mean of its divisors is an integer number (12096630).

Almost surely, 282908428 is an apocalyptic number.

It is an amenable number.

82908428 is a deficient number, since it is larger than the sum of its proper divisors (62251132).

82908428 is a wasteful number, since it uses less digits than its factorization.

82908428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9976 (or 9974 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 82908428 is about 9105.4065257955. The cubic root of 82908428 is about 436.0465890232.

The spelling of 82908428 in words is "eighty-two million, nine hundred eight thousand, four hundred twenty-eight".

Divisors: 1 2 4 2953 5906 7019 11812 14038 28076 20727107 41454214 82908428