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57061121 = 1318672351
BaseRepresentation
bin1101100110101…
…0111100000001
310222101000010212
43121222330001
5104101423441
65355003505
71262003645
oct331527401
9128330125
1057061121
112a233957
1217139595
13ba8b3a0
147814c25
155021eeb
hex366af01

57061121 has 8 divisors (see below), whose sum is σ = 61509504. Its totient is φ = 52621200.

The previous prime is 57061117. The next prime is 57061127. The reversal of 57061121 is 12116075.

57061121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 57061121 - 22 = 57061117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57061127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23096 + ... + 25446.

It is an arithmetic number, because the mean of its divisors is an integer number (7688688).

Almost surely, 257061121 is an apocalyptic number.

It is an amenable number.

57061121 is a deficient number, since it is larger than the sum of its proper divisors (4448383).

57061121 is a wasteful number, since it uses less digits than its factorization.

57061121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 57061121 is about 7553.8811878398. The cubic root of 57061121 is about 384.9876220229.

Adding to 57061121 its reverse (12116075), we get a palindrome (69177196).

The spelling of 57061121 in words is "fifty-seven million, sixty-one thousand, one hundred twenty-one".

Divisors: 1 13 1867 2351 24271 30563 4389317 57061121