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4057523 = 43127743
BaseRepresentation
bin1111011110100110110011
321122010212122
433132212303
52014320043
6222544455
746326341
oct17364663
97563778
104057523
112321528
12143812b
13ac0b02
14778991
15552368
hex3de9b3

4057523 has 8 divisors (see below), whose sum is σ = 4190208. Its totient is φ = 3926664.

The previous prime is 4057513. The next prime is 4057553. The reversal of 4057523 is 3257504.

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

It is a cyclic number.

It is not a de Polignac number, because 4057523 - 214 = 4041139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4057492 and 4057501.

It is not an unprimeable number, because it can be changed into a prime (4057513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5090 + ... + 5832.

It is an arithmetic number, because the mean of its divisors is an integer number (523776).

Almost surely, 24057523 is an apocalyptic number.

4057523 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4057523 is a deficient number, since it is larger than the sum of its proper divisors (132685).

4057523 is a wasteful number, since it uses less digits than its factorization.

4057523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 4057523 is about 2014.3294169525. The cubic root of 4057523 is about 159.4974203846.

The spelling of 4057523 in words is "four million, fifty-seven thousand, five hundred twenty-three".

Divisors: 1 43 127 743 5461 31949 94361 4057523