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1008920940 = 223516815349
BaseRepresentation
bin111100001000101…
…110100101101100
32121022110111100020
4330020232211230
54031240432230
6244040402140
734000454316
oct7410564554
92538414306
101008920940
11478567265
12241a76350
13131041851
1497dd07b6
155d894810
hex3c22e96c

1008920940 has 24 divisors (see below), whose sum is σ = 2824978800. Its totient is φ = 269045568.

The previous prime is 1008920923. The next prime is 1008920977. The reversal of 1008920940 is 490298001.

1008920940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8407615 + ... + 8407734.

It is an arithmetic number, because the mean of its divisors is an integer number (117707450).

Almost surely, 21008920940 is an apocalyptic number.

1008920940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1008920940 is an abundant number, since it is smaller than the sum of its proper divisors (1816057860).

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

1008920940 is a wasteful number, since it uses less digits than its factorization.

1008920940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16815361 (or 16815359 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1008920940 is about 31763.5158633297. The cubic root of 1008920940 is about 1002.9648476577.

The spelling of 1008920940 in words is "one billion, eight million, nine hundred twenty thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 16815349 33630698 50446047 67261396 84076745 100892094 168153490 201784188 252230235 336306980 504460470 1008920940