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57940097 = 173408241
BaseRepresentation
bin1101110100000…
…1100010000001
311001000122212112
43131001202001
5104313040342
65425505105
71302324365
oct335014201
9131018775
1057940097
112a784286
12174a2195
13c0084a7
1479a32a5
155147682
hex3741881

57940097 has 4 divisors (see below), whose sum is σ = 61348356. Its totient is φ = 54531840.

The previous prime is 57940081. The next prime is 57940109. The reversal of 57940097 is 79004975.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30019441 + 27920656 = 5479^2 + 5284^2 .

It is a cyclic number.

It is not a de Polignac number, because 57940097 - 24 = 57940081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57940007) 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, 1704104 + ... + 1704137.

It is an arithmetic number, because the mean of its divisors is an integer number (15337089).

Almost surely, 257940097 is an apocalyptic number.

It is an amenable number.

57940097 is a deficient number, since it is larger than the sum of its proper divisors (3408259).

57940097 is a wasteful number, since it uses less digits than its factorization.

57940097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408258.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 57940097 is about 7611.8392652499. The cubic root of 57940097 is about 386.9543554435.

The spelling of 57940097 in words is "fifty-seven million, nine hundred forty thousand, ninety-seven".

Divisors: 1 17 3408241 57940097