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57056146 = 2723374789
BaseRepresentation
bin1101100110100…
…1101110010010
310222100202022121
43121221232102
5104101244041
65354524454
71261653310
oct331515622
9128322277
1057056146
112a230144
121713672a
13ba89044
1478130b0
1550207d1
hex3669b92

57056146 has 32 divisors (see below), whose sum is σ = 104843520. Its totient is φ = 22752576.

The previous prime is 57056117. The next prime is 57056161. The reversal of 57056146 is 64165075.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9520 + ... + 14308.

It is an arithmetic number, because the mean of its divisors is an integer number (3276360).

Almost surely, 257056146 is an apocalyptic number.

57056146 is a deficient number, since it is larger than the sum of its proper divisors (47787374).

57056146 is a wasteful number, since it uses less digits than its factorization.

57056146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 57056146 is about 7553.5518797451. The cubic root of 57056146 is about 384.9764330320.

The spelling of 57056146 in words is "fifty-seven million, fifty-six thousand, one hundred forty-six".

Divisors: 1 2 7 14 23 37 46 74 161 259 322 518 851 1702 4789 5957 9578 11914 33523 67046 110147 177193 220294 354386 771029 1240351 1542058 2480702 4075439 8150878 28528073 57056146