Search a number
-
+
57444406 = 259486817
BaseRepresentation
bin1101101100100…
…0100000110110
311000002110220121
43123020200312
5104201210111
65411122154
71265161255
oct333104066
9130073817
1057444406
112a475918
12172a335a
13bb93996
1478b479c
15509a871
hex36c8836

57444406 has 8 divisors (see below), whose sum is σ = 87627240. Its totient is φ = 28235328.

The previous prime is 57444397. The next prime is 57444437. The reversal of 57444406 is 60444475.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243291 + ... + 243526.

It is an arithmetic number, because the mean of its divisors is an integer number (10953405).

Almost surely, 257444406 is an apocalyptic number.

57444406 is a deficient number, since it is larger than the sum of its proper divisors (30182834).

57444406 is a wasteful number, since it uses less digits than its factorization.

57444406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486878.

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 57444406 is about 7579.2087977572. The cubic root of 57444406 is about 385.8476986920.

The spelling of 57444406 in words is "fifty-seven million, four hundred forty-four thousand, four hundred six".

Divisors: 1 2 59 118 486817 973634 28722203 57444406