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1057482461 = 7151068923
BaseRepresentation
bin111111000001111…
…110011011011101
32201200211200020002
4333001332123131
54131203414321
6252533304045
735130311150
oct7701763335
92650750202
101057482461
114a2a15252
12256195025
1313b115289
14a0631c97
1562c8820b
hex3f07e6dd

1057482461 has 4 divisors (see below), whose sum is σ = 1208551392. Its totient is φ = 906413532.

The previous prime is 1057482403. The next prime is 1057482473. The reversal of 1057482461 is 1642847501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1057482461 is a prime.

It is a super-2 number, since 2×10574824612 = 2236538310645233042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057485461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75534455 + ... + 75534468.

It is an arithmetic number, because the mean of its divisors is an integer number (302137848).

Almost surely, 21057482461 is an apocalyptic number.

It is an amenable number.

1057482461 is a deficient number, since it is larger than the sum of its proper divisors (151068931).

1057482461 is an equidigital number, since it uses as much as digits as its factorization.

1057482461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151068930.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 1057482461 is about 32518.9554106524. The cubic root of 1057482461 is about 1018.8049765406.

The spelling of 1057482461 in words is "one billion, fifty-seven million, four hundred eighty-two thousand, four hundred sixty-one".

Divisors: 1 7 151068923 1057482461