Base | Representation |
---|---|
bin | 1101101011101… |
… | …1010101010011 |
3 | 10222222201212002 |
4 | 3122323111103 |
5 | 104142443134 |
6 | 5410024215 |
7 | 1264545002 |
oct | 332732523 |
9 | 128881762 |
10 | 57390419 |
11 | 2a4392a9 |
12 | 1727806b |
13 | bb75238 |
14 | 789cc39 |
15 | 508987e |
hex | 36bb553 |
57390419 has 16 divisors (see below), whose sum is σ = 62161920. Its totient is φ = 52790400.
The previous prime is 57390409. The next prime is 57390439. The reversal of 57390419 is 91409375.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 57390419 - 28 = 57390163 is a prime.
It is a super-2 number, since 2×573904192 = 6587320385991122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57390409) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202652 + ... + 202934.
It is an arithmetic number, because the mean of its divisors is an integer number (3885120).
Almost surely, 257390419 is an apocalyptic number.
57390419 is a deficient number, since it is larger than the sum of its proper divisors (4771501).
57390419 is a wasteful number, since it uses less digits than its factorization.
57390419 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 530.
The product of its (nonzero) digits is 34020, while the sum is 38.
The square root of 57390419 is about 7575.6464410636. The cubic root of 57390419 is about 385.7267859101.
The spelling of 57390419 in words is "fifty-seven million, three hundred ninety thousand, four hundred nineteen".
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