Base | Representation |
---|---|
bin | 1101101001100… |
… | …0110100011011 |
3 | 10222201112221020 |
4 | 3122120310123 |
5 | 104123432201 |
6 | 5403013523 |
7 | 1263415566 |
oct | 332306433 |
9 | 128645836 |
10 | 57249051 |
11 | 2a352072 |
12 | 1720a2a3 |
13 | bb25aa2 |
14 | 78634dd |
15 | 505ca36 |
hex | 3698d1b |
57249051 has 8 divisors (see below), whose sum is σ = 76623360. Its totient is φ = 38020392.
The previous prime is 57249041. The next prime is 57249061. The reversal of 57249051 is 15094275.
It is an interprime number because it is at equal distance from previous prime (57249041) and next prime (57249061).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57249051 - 214 = 57232667 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57249041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35491 + ... + 37068.
It is an arithmetic number, because the mean of its divisors is an integer number (9577920).
Almost surely, 257249051 is an apocalyptic number.
57249051 is a deficient number, since it is larger than the sum of its proper divisors (19374309).
57249051 is a wasteful number, since it uses less digits than its factorization.
57249051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72825.
The product of its (nonzero) digits is 12600, while the sum is 33.
The square root of 57249051 is about 7566.3102632657. The cubic root of 57249051 is about 385.4098093129.
The spelling of 57249051 in words is "fifty-seven million, two hundred forty-nine thousand, fifty-one".
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