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1057352492 = 22752317219
BaseRepresentation
bin111111000001011…
…110101100101100
32201200121001221102
4333001132230230
54131140234432
6252530422232
735126230220
oct7701365454
92650531842
101057352492
114a2936639
12256131978
1313b09b081
14a05da780
1562c5e962
hex3f05eb2c

1057352492 has 24 divisors (see below), whose sum is σ = 2115402240. Its totient is φ = 453001680.

The previous prime is 1057352479. The next prime is 1057352497. The reversal of 1057352492 is 2942537501.

It is a super-2 number, since 2×10573524922 = 2235988584677220128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057352497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142859 + ... + 150077.

It is an arithmetic number, because the mean of its divisors is an integer number (88141760).

Almost surely, 21057352492 is an apocalyptic number.

It is an amenable number.

1057352492 is an abundant number, since it is smaller than the sum of its proper divisors (1058049748).

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

1057352492 is a wasteful number, since it uses less digits than its factorization.

1057352492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12461 (or 12459 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 1057352492 is about 32516.9569916990. The cubic root of 1057352492 is about 1018.7632363719.

Adding to 1057352492 its reverse (2942537501), we get a palindrome (3999889993).

The spelling of 1057352492 in words is "one billion, fifty-seven million, three hundred fifty-two thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 5231 7219 10462 14438 20924 28876 36617 50533 73234 101066 146468 202132 37762589 75525178 151050356 264338123 528676246 1057352492