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57248445 = 353816563
BaseRepresentation
bin1101101001100…
…0101010111101
310222201112002210
43122120222331
5104123422240
65403011033
71263414042
oct332305275
9128645083
1057248445
112a351671
1217209a79
13bb25727
1478631c9
15505c780
hex3698abd

57248445 has 8 divisors (see below), whose sum is σ = 91597536. Its totient is φ = 30532496.

The previous prime is 57248431. The next prime is 57248453. The reversal of 57248445 is 54484275.

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 57248445 - 26 = 57248381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1908267 + ... + 1908296.

It is an arithmetic number, because the mean of its divisors is an integer number (11449692).

Almost surely, 257248445 is an apocalyptic number.

It is an amenable number.

57248445 is a deficient number, since it is larger than the sum of its proper divisors (34349091).

57248445 is a wasteful number, since it uses less digits than its factorization.

57248445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816571.

The product of its digits is 179200, while the sum is 39.

The square root of 57248445 is about 7566.2702172206. The cubic root of 57248445 is about 385.4084494117.

The spelling of 57248445 in words is "fifty-seven million, two hundred forty-eight thousand, four hundred forty-five".

Divisors: 1 3 5 15 3816563 11449689 19082815 57248445