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1345248896 = 27171016121
BaseRepresentation
bin101000000101110…
…1101111010000000
310110202022201120012
41100023231322000
510223340431041
6341253204052
745223266305
oct12013557200
93422281505
101345248896
116303a3452
12316630628
1318591b984
14ca93d0ac
157d17c3eb
hex502ede80

1345248896 has 64 divisors (see below), whose sum is σ = 2866197960. Its totient is φ = 626688000.

The previous prime is 1345248881. The next prime is 1345248901. The reversal of 1345248896 is 6988425431.

It can be written as a sum of positive squares in 4 ways, for example, as 1305810496 + 39438400 = 36136^2 + 6280^2 .

It is a tau number, because it is divible by the number of its divisors (64).

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, 216716 + ... + 222836.

Almost surely, 21345248896 is an apocalyptic number.

1345248896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345248896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1433098980).

1345248896 is an abundant number, since it is smaller than the sum of its proper divisors (1520949064).

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

1345248896 is a wasteful number, since it uses less digits than its factorization.

1345248896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253 (or 6241 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 1345248896 is about 36677.6348201462. The cubic root of 1345248896 is about 1103.9113910539.

The spelling of 1345248896 in words is "one billion, three hundred forty-five million, two hundred forty-eight thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 17 32 34 64 68 101 128 136 202 272 404 544 808 1088 1616 1717 2176 3232 3434 6121 6464 6868 12242 12928 13736 24484 27472 48968 54944 97936 104057 109888 195872 208114 219776 391744 416228 618221 783488 832456 1236442 1664912 2472884 3329824 4945768 6659648 9891536 10509757 13319296 19783072 21019514 39566144 42039028 79132288 84078056 168156112 336312224 672624448 1345248896