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57045211 = 103553837
BaseRepresentation
bin1101100110011…
…1000011011011
310222100012022121
43121213003123
5104100421321
65354402111
71261606366
oct331470333
9128305277
1057045211
112a222a03
1217130337
13ba84082
14780d0dd
15501c441
hex36670db

57045211 has 4 divisors (see below), whose sum is σ = 57599152. Its totient is φ = 56491272.

The previous prime is 57045199. The next prime is 57045223. The reversal of 57045211 is 11254075.

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

It is an interprime number because it is at equal distance from previous prime (57045199) and next prime (57045223).

It is a cyclic number.

It is not a de Polignac number, because 57045211 - 215 = 57012443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57045511) 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, 276816 + ... + 277021.

It is an arithmetic number, because the mean of its divisors is an integer number (14399788).

Almost surely, 257045211 is an apocalyptic number.

57045211 is a deficient number, since it is larger than the sum of its proper divisors (553941).

57045211 is a wasteful number, since it uses less digits than its factorization.

57045211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553940.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 57045211 is about 7552.8280134000. The cubic root of 57045211 is about 384.9518374564.

Adding to 57045211 its reverse (11254075), we get a palindrome (68299286).

The spelling of 57045211 in words is "fifty-seven million, forty-five thousand, two hundred eleven".

Divisors: 1 103 553837 57045211