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1057471948 = 221320335999
BaseRepresentation
bin111111000001111…
…011110111001100
32201200211010210201
4333001323313030
54131203100243
6252533143244
735130235411
oct7701736714
92650733721
101057471948
114a2a08365
1225618ab24
1313b110560
14a062c108
1562c8504d
hex3f07bdcc

1057471948 has 12 divisors (see below), whose sum is σ = 1992928000. Its totient is φ = 488063952.

The previous prime is 1057471937. The next prime is 1057471949. The reversal of 1057471948 is 8491747501.

It is a happy number.

It is a super-2 number, since 2×10574719482 = 2236493841613829408, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1057471898 and 1057471907.

It is not an unprimeable number, because it can be changed into a prime (1057471949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10167948 + ... + 10168051.

Almost surely, 21057471948 is an apocalyptic number.

It is an amenable number.

1057471948 is a deficient number, since it is larger than the sum of its proper divisors (935456052).

1057471948 is a wasteful number, since it uses less digits than its factorization.

1057471948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20336016 (or 20336014 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 1057471948 is about 32518.7937660670. The cubic root of 1057471948 is about 1018.8016003673.

The spelling of 1057471948 in words is "one billion, fifty-seven million, four hundred seventy-one thousand, nine hundred forty-eight".

Divisors: 1 2 4 13 26 52 20335999 40671998 81343996 264367987 528735974 1057471948