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4057257827 = 74127140443
BaseRepresentation
bin1111000111010100…
…1101011101100011
3101110202110001102102
43301311031131203
531302124222302
61510333041015
7202354060010
oct36165153543
911422401372
104057257827
1117a2241947
1295292616b
134c874b49c
142a6bba707
1518b2d5702
hexf1d4d763

4057257827 has 8 divisors (see below), whose sum is σ = 4638022656. Its totient is φ = 3476782152.

The previous prime is 4057257817. The next prime is 4057257851. The reversal of 4057257827 is 7287527504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4057257827 is a prime.

It is a super-2 number, since 2×40572578272 = 32922682149505523858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4057257817) 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 7 ways as a sum of consecutive naturals, for example, 41333 + ... + 99110.

It is an arithmetic number, because the mean of its divisors is an integer number (579752832).

Almost surely, 24057257827 is an apocalyptic number.

4057257827 is a deficient number, since it is larger than the sum of its proper divisors (580764829).

4057257827 is a wasteful number, since it uses less digits than its factorization.

4057257827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144577.

The product of its (nonzero) digits is 1097600, while the sum is 47.

The square root of 4057257827 is about 63696.6076569231. The cubic root of 4057257827 is about 1594.9394574164.

The spelling of 4057257827 in words is "four billion, fifty-seven million, two hundred fifty-seven thousand, eight hundred twenty-seven".

Divisors: 1 7 4127 28889 140443 983101 579608261 4057257827