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828280972 = 2210917910613
BaseRepresentation
bin110001010111101…
…001000010001100
32010201120000220001
4301113221002030
53144014442342
6214104534044
726345162221
oct6127510214
92121500801
10828280972
113955a7832
121b1481324
131027a55ac
147c00b948
154cab18b7
hex315e908c

828280972 has 24 divisors (see below), whose sum is σ = 1471100400. Its totient is φ = 408010176.

The previous prime is 828280961. The next prime is 828280993. The reversal of 828280972 is 279082828.

It is an unprimeable number.

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, 72738 + ... + 83350.

It is an arithmetic number, because the mean of its divisors is an integer number (61295850).

Almost surely, 2828280972 is an apocalyptic number.

It is an amenable number.

828280972 is a deficient number, since it is larger than the sum of its proper divisors (642819428).

828280972 is a wasteful number, since it uses less digits than its factorization.

828280972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10905 (or 10903 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 828280972 is about 28779.8709517607. The cubic root of 828280972 is about 939.1303908696.

The spelling of 828280972 in words is "eight hundred twenty-eight million, two hundred eighty thousand, nine hundred seventy-two".

Divisors: 1 2 4 109 179 218 358 436 716 10613 19511 21226 39022 42452 78044 1156817 1899727 2313634 3799454 4627268 7598908 207070243 414140486 828280972