Search a number
-
+
57344289 = 3149128287
BaseRepresentation
bin1101101011000…
…0000100100001
310222220101120120
43122300010201
5104140004124
65405030453
71264263342
oct332600441
9128811516
1057344289
112a407682
1217255429
13bb5a242
14788a0c9
15507ad79
hex36b0121

57344289 has 8 divisors (see below), whose sum is σ = 76972800. Its totient is φ = 37972656.

The previous prime is 57344269. The next prime is 57344291. The reversal of 57344289 is 98244375.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57344289 - 29 = 57343777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57344289.

It is not an unprimeable number, because it can be changed into a prime (57344219) 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, 63697 + ... + 64590.

It is an arithmetic number, because the mean of its divisors is an integer number (9621600).

Almost surely, 257344289 is an apocalyptic number.

It is an amenable number.

57344289 is a deficient number, since it is larger than the sum of its proper divisors (19628511).

57344289 is a wasteful number, since it uses less digits than its factorization.

57344289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128439.

The product of its digits is 241920, while the sum is 42.

The square root of 57344289 is about 7572.6012043419. The cubic root of 57344289 is about 385.6234100823.

The spelling of 57344289 in words is "fifty-seven million, three hundred forty-four thousand, two hundred eighty-nine".

Divisors: 1 3 149 447 128287 384861 19114763 57344289