Search a number
-
+
57253634 = 228626817
BaseRepresentation
bin1101101001100…
…1111100000010
310222201210012222
43122121330002
5104124104014
65403051042
71263435134
oct332317402
9128653188
1057253634
112a355559
1217210a82
13bb27bb9
147865054
15505e08e
hex3699f02

57253634 has 4 divisors (see below), whose sum is σ = 85880454. Its totient is φ = 28626816.

The previous prime is 57253607. The next prime is 57253639. The reversal of 57253634 is 43635275.

57253634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54804409 + 2449225 = 7403^2 + 1565^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57253594 and 57253603.

It is not an unprimeable number, because it can be changed into a prime (57253639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14313407 + ... + 14313410.

Almost surely, 257253634 is an apocalyptic number.

57253634 is a deficient number, since it is larger than the sum of its proper divisors (28626820).

57253634 is a wasteful number, since it uses less digits than its factorization.

57253634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28626819.

The product of its digits is 75600, while the sum is 35.

The square root of 57253634 is about 7566.6131128795. The cubic root of 57253634 is about 385.4200935360.

The spelling of 57253634 in words is "fifty-seven million, two hundred fifty-three thousand, six hundred thirty-four".

Divisors: 1 2 28626817 57253634