Search a number
-
+
57267245 = 576724421
BaseRepresentation
bin1101101001110…
…1010000101101
310222202110220002
43122131100231
5104130022440
65403234045
71263522620
oct332352055
9128673802
1057267245
112a364802
1217218925
13bb31159
147869db7
155063115
hex369d42d

57267245 has 16 divisors (see below), whose sum is σ = 79713408. Its totient is φ = 38681280.

The previous prime is 57267241. The next prime is 57267253. The reversal of 57267245 is 54276275.

It is a happy number.

It is not a de Polignac number, because 57267245 - 22 = 57267241 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57267199 and 57267208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57267241) 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, 9866 + ... + 14555.

It is an arithmetic number, because the mean of its divisors is an integer number (4982088).

Almost surely, 257267245 is an apocalyptic number.

It is an amenable number.

57267245 is a deficient number, since it is larger than the sum of its proper divisors (22446163).

57267245 is a wasteful number, since it uses less digits than its factorization.

57267245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24500.

The product of its digits is 117600, while the sum is 38.

The square root of 57267245 is about 7567.5124710832. The cubic root of 57267245 is about 385.4506332990.

The spelling of 57267245 in words is "fifty-seven million, two hundred sixty-seven thousand, two hundred forty-five".

Divisors: 1 5 7 35 67 335 469 2345 24421 122105 170947 854735 1636207 8181035 11453449 57267245